Abstract
In the context of food toxicology the gastrointestinal tract is of major importance in that it is the primary site of exposure to potential toxicants and the concentrations involved are likely to be higher than those in other tissues. This can lead to localised lesions due to irritation or to more specific toxic effects. Furthermore, dietary components may undergo metabolism in the gut by endogenous mammalian enzymes or by the gut microflora and this may significantly influence the toxicological sequelae. Pre-existing enteropathies or enzyme deficiencies can alter the course of both these events.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
L.V. Holdeman, W.E.C. Moore, Anaerobe Laboratory Manual, 3rd edn. ( VPI Anaerobe Laboratory, Blacksburg, Virginia, 1972 ).
B.S. Drasar, ‘Cultivation of Anaerobic Intestinal Bacteria’, J. Pathol Bacteriol, 94 (1967), pp. 417–427.
W.E.C. Moore, E.P. Cato, L.V. Holdeman, ‘Some Current Concepts in Intestinal Bacteriology’, Am. J. clin. Nutr., 31 (1978), pp. 533–542.
D.C. Savage, ‘Interactions Between the Host and its Microbes’ in R.T.J. Clark, T. Bauchop (eds.), Microbial Ecology of the Gut ( Academic Press, London, 1977 ), pp. 277–310.
J.P. Brown, ‘Role of Gut Bacterial Flora in Nutrition and Health: a Review of Recent Advances in Bacteriological Techniques, Metabolism and Factors Affecting Flora Composition’, Crit. Rev. Fd Sci. Nutr., 8 (1977), pp. 229–336.
B.S. Drasar, M.J., Hill, R.E.O., Williams, ‘The Significance of the Gut Flora in Safety Testing of Food Additives’ in F.J.C. Roe (ed.), Metabolic Aspects of Food Safety ( Blackwell Scientific Publications, Oxford, 1970 ), pp. 245–260.
R.A. Giannella, S.A. Broitman, N. Zamcheck, ‘Gastric Acid Barrier to Ingested Microorganisms in Man: Studies in vivo and in vitro’ Gut, 13 (1972), pp. 251–256.
I.R. Rowland, ‘Metabolism of di–(2–ethylhexyl) Phthalate by the Contents of the Alimentary Tract of the Rat’, Fd Cosmet. Toxicol 12 (1974), pp. 293–302.
P.A. Sykes, K.H. Boulter, P.F. Schofleld, ‘Alterations in Small–Bowel Microflora in Acute Intestinal Obstruction’, J. Med. Microbiol., 9 (1976), pp. 13–22.
S.L. Gorbach, R. Mitra, B. Jacobs, ‘Bacterial Contamination of the Upper Small Bowel in Tropical Sprue’, Lancet, i (1969), pp. 74–77.
P. Bhat, D. Shantakumari, D. Rajan, V.I. Mathan, C.R. Kapadia, C. Swarnabai, S.J. Baker, ‘Bacterial Flora of the Gastrointestinal Tract in Southern Indian Control Subjects and Patients with Tropical Sprue’, Gastroenterology, 62 (1972), pp. 11–12.
S.L. Gorbach, ‘Microflora of the Gastrointestinal Tract in Tropical Enteritis: A Current Appraisal’, Am. J. clin. Nutr., 25 (1972), pp. 1127–1130.
L.J. Mata, F. Jimenez, M. Cordon, R. Rosales, E. Prera, R.E. Schneider, F. Viteri, ‘Gastrointestinal Flora of Children with Protein–Calorie Malnutrition’, Am. J. clin. Nutr., 25 (1972), pp. 1118–1126.
M. Gracey, Suharjono, Sunoto, D.E. Stone, ‘Microbial Contamination of the Gut: Another Feature of Malnutrition’, Am. J. clin. Nutr., 26 (1973), pp. 1170–1174.
W.E.C. Moore, L.V. Holdeman, ‘Human Faecal Flora. The Normal Flora of 20 Japanese–Hawaiians’, Appl. Microbiol., 27 (1976), pp. 961–979.
L.V. Holdeman, I.J. Good, W.E.C. Moore, ‘Human Fecal Flora: Variation in Bacterial Composition Within Individuals and a Possible Effect of Emotional Stress’, Appl. Environ. Microbiol., 31 (1975),pp. 359–375.
A.J. Mastromarino, B.S. Reddy, E.L. Wynder, ‘Faecal Profiles of Anaerobic Microflora of Large Bowel Cancer Patients and Patients with Non– hereditary Large Bowel Polyps’, Cancer Res., 38 (1978), pp. 4458–4462.
J. Gossling, J.M. Slack, ‘Predominant Gram–Positive Bacteria in Human Faeces: Numbers, Variety and Persistence’, Infection and Immunity, 9 (1974), pp. 719–729.
B.G. Veilleux, I. Rowland, ‘Simulation of the Rat Intestinal Ecosystem using a Two–stage Continuous Culture System’, J. gen. Microbiol., 123, (1981), pp. 103–115.
C.P. Davis, D. Cleven, E. Balish, C.E. Yale, ‘Bacterial Association in the Gastrointestinal Tract of Beagle Dogs’, Appl. Environ. Microbiol., 34 (1977), pp. 194–206.
A.W. Brinkley, G.E. Mott, ‘Anaerobic Faecal Bacteria of the Baboon’, Appl. Environ. Microbiol., 36 (1978), pp. 530–532.
A. Lee, M. Phillips, ‘Isolation and Cultivation of Spirochetes and Other Spiral–shaped Bacteria Associated with the Cecal Mucosa of Rats and Mice’, J. Appl. Environ. Microbiol, 35 (1978), pp. 610–613.
D.C. Savage, R.V. Blumershine, ‘Surface — Surface Association in Microbial Communities Populating Epithelial Habitats in the Murine Gastro–intestinal Ecosystem, Scanning Electron Microscopy’, Infect. Immunol, 10 (1974), pp. 240–250.
D.C. Savage, J.S. McAllister, C.P. Davis, ‘Anaerobic Bacteria on the Mucosal Epithelium of the Murine Large Bowel’, Infect. Immunol., 4 (1971), pp. 492–502.
D.P. Nelson, L.J. Mata, ‘Bacterial Flora Associated with the Human Gastrointestinal Mucosa’, Gastroenterol, 58 (1970), pp. 56–61.
H. Haenel, ‘Human Normal and Abnormal Gastrointestinal Flora’, Am. J. clin. Nutr., 23 (1970), pp. 1433–1439.
C.L. Bullen, P.V. Tearle, A.T. Willis, ‘Bifidobacteria in the Intestinal Tract of Infants: An in vivo Study’, J. Med. Microbiol, 9 (1976), pp. 325–333.
R.B. Ellis–Pegler, C. Crabtree and H.P. Lambert, ‘The Faecal Flora of Children in the United Kingdom’, J. Hyg., Camb., 75 (1975), pp. 135–142.
B.S. Drasar, M. Shiner, ‘Studies on the Intestinal Flora. Part II — Bacterial Flora of the Small Intestine in Patients with Gastrointestinal Disorders’, Gut, 10 (1969), pp. 812–819.
V.C. Aries, J.S. Crowther, B.S. Drasai, M.J. Hill, R.E.O. Williams, Bacteria and the Aetiology of Cancer of the Large Bowel’, Gut, 10 (1969), pp. 334–335.
B.S. Drasar, J.S. Crowther, P. Goddard, Gabrielle Hawksworth, M.J. Hill, Susan Peach, R.E.O. Williams, A. Renwick, ‘The Relation Between Diet and the Gut Flora in Man’ Proc. Nutr. Soc., 32 (1973), pp. 49–52.
J.S. Crowther, B.S. Drasar, M.J. Hill, R. MacLennan, D. Magnin, S. Peach, C.H. Teoh-Chan, ‘Faecal Steroids and Bacteria and Large Bowel Cancer in Hong Kong by Socio–Economic Groups’, Br. J. Cancer, 34 (1976), pp. 191–197.
W.E.C. Moore, L.V. Holdeman, ‘Discussion of the Current Bacteriological Investigations of the Relationships Between Intestinal Flora, Diet and Colon Cancer’, Cancer Res., 35 (1975), pp. 3418–3420.
M. Winitz, R.F. Adams, D.A. Seedman, P.N. Davis, L.G. Jayko, J.A. Hamilton, ‘Studies in Metabolic Nutrition Employing Chemically Defined Diets’, Am. J. clin. Nutr., 23 (1970), pp. 546–559.
H.R. Atterbery, V.L. Sutter, S.M. Finegold, ‘Effect of a Partially Chemically Defined Diet on Normal Human Faecal Flora’, Am. J. clin. Nutr., 25 (1972), pp. 1391–1398.
R.S. Speck, D.H. Calloway, W.K. Hadley, ‘Human Faecal Flora Under Controlled Diet Intake’, Am. J. clin. Nutr., 23 (1970), pp. 1488–1494.
B.S. Drasar, M.J. Hill, Human Intestinal Flora ( Academic Press, London, 1974 ).
V.C. Aries, J.S. Crowther, B.S. Drasar, M.J. Hill, F.R. Ellis, ‘The Effect of a Strict Vegetarian Diet on the Faecal Flora and Faecal Steroid Concentration’, J. Pathol., 103 (1971), pp. 54–56.
B.S. Drasar, D.J.A. Jenkins, J.H. Cummings, ‘The Influence of a Diet Rich in Wheat Fibre on the Human Faecal Flora’, J. Med. Microbiol., 9 (1976), pp. 423–431.
B.S. Drasar, D. Irving, ‘Environmental Factors and Cancer of the Colon and Breast’, Br. J. Cancer, 27 (1973), pp. 167–172.
B.S. Reddy, J.H. Weisburger, E.L. Wynder, ‘Effects of High Risk and Low Risk Diets for Colon Carcinogenesis on Faecal Microflora and Steroids in Man’, J. Nutr., 105 (1975), pp. 878–884.
B.S. Reddy, J.H. Weisburger, E.L. Wynder, ‘Faecal Bacterial β–glucuronidase: Control by Diet’, Science, 183 (1974), pp. 416–417.
D.J. Hentges, B.R. Maier, G.C. Burton, M.A. Flynn, R.K. Tsutakawa, ‘Effects of a High Beef Diet on the Fecal Bacterial Flora of Humans’, Cancer Res., 37 (1977), pp. 568–571.
J.H. Cummings, H.S. Wiggins, D.J.A. Jenkins, H. Houston, T. Jivraj, B.S. Drasar, M.J. Hill, ‘Influence of Diets High and Low in Animal Fat on Bowel Habit, Gastrointestinal Transit Time, Fecal Microflora, Bile Acid and Fat Excretion’, J. clin. Invest., 61 (1978), pp. 953–963.
K.T. Chung, G.E. Full, J. Silverman, ‘Dietary Effects on the Composition of Fecal Flora of Rats’, Appl. Environ. Microbiol. 33 (1977), pp. 654–659.
B. Goldin, S.L. Gorbach, ‘Alterations in Fecal Microflora Enzymes Related to Diet, Age, Lactobacillus Supplements and Dimethylhydrazine’, Cancer, 40 (1977), pp. 2421–2426.
47.I.R. Rowland, M.J. Davies, J.G. Evans, ‘Tissue Content of Mercury in Rats Given Methylmercuric Chloride Orally. Influence of Intestinal Flora’, Arch. Environ. Hlth, 35 (1980), pp. 155–160.
B.S. Wostman, E. Bruckner–Kardoss, ‘Oxidation–Reduction Potentials in Cecal Contents of Germfree and Conventional Rats’, Proc. Soc. Exp. Biol. Med., 121 (1966), pp. 1111–1114.
D.J. Ford, ‘The Effect of the Microflora on Gastrointestinal pH in the Chick’, British Poultry Sci., (1974), pp. 131–140.
M.E. Coates, R. Fuller, ‘The Gnotobiotic Animal in the Study of Gut Microbiology’ in R.T.J. Clark, T. Bauchop (eds.), Microbial Ecology of the Gut ( Academic Press, London, 1977 ), pp. 311–346.
T.L. Luckey, Germfree Life and Gnotobiology ( Academic Press, New York, 1963 ).
M. Lev, A.F. Milford, ‘Apparatus for Metabolic Studies with Anaerobes’, Appl. Microbiol, 21 (1971), pp. 555–556.
R.J. Allan, A.A. Tesoriero, J.J. Roxon, ‘An Incubation Flask to Study Metabolism of Foreign Compounds by Intestinal Microflora’, Xenobiotica, 5 (1975), pp. 407–411.
P.N. Hobson, ‘Continuous Culture of Rumen Bacteria: Apparatus’, J. Gen. Microbiol, 38 (1965), pp. 161–166.
P. Goddard, F. Fernandez, B. West, M.J. Hill and P. Barnes, ‘The Nuclear Dehydrogenation of Steroids by Intestinal Bacteria’, J. Med. Microbiol, 8 (1975), pp. 429–435.
E.C. McCoy, W.T. Speck and H.S. Rosenkranz, ‘Activation of a Procarcinogen to a Mutagen by Cell Free Extracts of Anaerobic Bacteria’, Mutat. Res., 46 (1977), pp. 261–264.
J.S. Brown and P.S. Dietrich, ‘Mutagenicity of Anthraquinone and Benzanthrone Derivatives in the Salmonella Microsome Test: Activation of Anthroquinone Glycosides by Enzymic Extracts of Rat Cecal Bacteria’, Mutat. Res., 66 (1979), pp. 9–24.
M.A. Harris, C.A. Reddy and G.R. Carter, ‘Anaerobic Bacteria from the Large Intestine of Mice’, Appl. Environ. Microbiol, 31 (1976), pp. 907–912.
J.H. Gordon and R. Dubos, ‘The Anaerobic Bacterial Flora of the Mouse Cecum’, J. Exp. Med., 132 (1970), pp. 251–260.
H. Williams Smith, ‘The Development of the Bacterial Flora of the Faeces of Animals and Man: The Changes that Occur during Ageing’, J. Appl. Bacteriol, 24 (1961), pp. 235–241.
W.L. Beeken and R.E. Kanich, ‘Microbial Flora of the Upper Small Bowel in Crohn’s Disease’, Gastroenterology, 65 (1973), pp. 390–397.
J.D.A. Gray and M. Shiner, ‘Influence of Gastric pH on Gastric and Jejunal Flora’, Gut, 8 (1967), pp. 574–581.
B.S. Drasar, M. Shiner and G.M. Mcleod, ‘Studies on the Intestinal Flora of the Gastrointestinal Tract in Healthy and Achlorhydria Persons’, Gastroenterology, 56 (1969), pp. 71–79.
A.M. Tomkins, B.S. Drasar and W.P.T. James, ‘Bacterial Colonisation of Jejunal Mucosa in Acute Tropical Sprue’, Lancet, i (1975), p. 59.
J.A.A. Van Der Wiel Korstanje and K.C. Winkler, ‘The Faecal Flora in Ulcerative Colitis’, J. Med. Microbiol, 8 (1975), pp. 491–501.
S.L. Gorbach, J.G. Banwell, B.D. Chatteijee, B. Jacobs and R.B. Sack, ‘Acute Undifferentiated Human Diarrhoea in the Tropics. I. Alterations in In–testinal Microflora’, J. clin. Invest., 50 (1971),pp. 881–889.
R. Cohen, M.H. Kaiser, I. Arteaga, E. Yann, D. Frazier, C.A. Leite, D.G. Ahearn and F. Roth, ‘Microbial Intestinal Flora in Acute Diarrhoeal Disease’, J. Am. Med. Assoc., 201 (1967), pp. 835–840.
R.R. Scheline, ‘Toxicological Implications of Drug Metabolism by Intes–tinal Bacteria’, Proc. Eur. Soc. Study of Drug Toxicity (Excerpta Medica, Amster–dam, 1972 ), vol. XIII, pp. 35–43.
R. Scheline, ‘Metabolism of Foreign Compounds by Gastrointestinal Microorganisms’, Pharmacol. Rev., 25 (1973), pp. 451–523.
R.T. Williams, in Discussion of ‘The Significance of the Gut Flora in Safety Testing of Food Additives’ by Drasar, Hill and Williams, in F.J.C. Roe (ed.), Metabolic Aspects of Food Safety ( Blackwell, London, 1970 ), pp. 255–260.
A. Taurog, F.N. Briggs and I.L. Chaikoff, ‘I131–labelled I–thyroxine; Nature of Excretion Products in Bile’, J. Biol. Chem., 194 (1952), pp. 655–668.
R.R. Scheline, ‘Metabolism of Phenolic Acids by the Rat Intestinal Microflora’, Acta Pharmacol Toxicol, 26 (1968), pp. 189–205.
D.V. Parke, Kh.M.Q. Rahman and R. Walker, ‘Absorption, Distribution and Excretion of Linalool in the Rat’, Biochem. Soc. Trans., 2 (1974), pp. 612–615.
G. Levy, L. Weintraub, T. Matsuzawa and S. Oles, ‘Absorption, Metabolism and Excretion of Salicylic Phenolic Glucuronide in Rats’, J. Pharmacol Sci., 5 (1966), pp. 1319–1320.
L.A. Woods, ‘Distribution and Fate of Morphine in Non–Tolerant and Tolerant Dogs and Rats’, J. Pharmacol Exp. Ther., 112 (1954), pp. 158–175.
D.J. Hanahan, E.G. Daskalakis, T. Edwards and H.J. Bauden, ‘Reduction of Water–soluble Azo Dyes by Intestinal Bacteria. Metabolic Patterns of 14C– diethylstilboestrol’ Endocrinology, 53 (1953), pp. 163–170.
A.J. Glazko, W.A. Dill and L.M. Wolf, ‘Observations on the Metabolic Disposition of Chloramphenicol (Chloromycetin) in the Rat’, J. Pharmacol Exp. Ther., 104 (1952), pp. 452–458.
C.A. Marsh, F. Alexander and G.A. Lewy, ‘Glucuronide Decomposition in the Digestive Tract’, Nature (Lond.), 170 (1952), pp. 163–164.
J.H. Weisburger, P.H. Grantham, R.E. Horton and E.K. Weisburger, ‘Metabolism of the Carcinogen N–hydroxy–N–2–fluorenylacetamide in Germ–free Rats’, Biochem. Pharmacol, 19 (1970), pp. 151–162.
J.R. Williams, P.H. Grantham, H.H. Marsh, J.H. Weisburger and E.K. Weisburger, ‘Participation of Liver Fractions and of Intestinal Bacteria in the Metabolism of N–hydroxy–N–2–fluorenylacetamide in the Rat’, Biochem. Pharmacol, 19 (1970), pp. 173–188.
L. Weinstein, ‘The Sulphonamides’ in L.S. Goodman and A. Gilman (eds.), The Pharmacological Basis of Therapeutics ( Macmillan, London, 1970 ), pp. 1177–1203.
D.S. Zaharko, H. Bruckner and V.T. Oliverio, ‘Antibiotics Alter Methotrexate Metabolism and Excretion’, Science, 166 (1969), pp. 887–888.
D.S. Zaharko and V.T. Oliverio, ‘Reinvestigation of Methotrexate Metabolism in Rodents’, Biochem. Pharmacol, 19 (1970), pp. 2923–2925.
D.M. Valerino, D.G. Johns, D.S. Zaharko and V.T. Oliverio, ‘Studies on the Metabolism of Methotrexate by Intestinal Flora I. Identification and Study of Biological Properties of the Metabolite 4–amino–4–deoxy–N10 –Methylpteroic Acid’, Biochem. Pharmacol, 21 (1972), pp. 821–831.
R.E. Ranney and S.J. Eich, ‘The Metabolism of Sodium Amylopectin Sulfate in the Rat’, Toxicol Appl. Pharmacol., 15 (1969), pp. 593–603.
D.J. Hearse, G.M. Powell, A.H. Olaveson and K.S. Dodgson, ‘The Influence of Some Physicochemical Factors on the Biliary Excretion of a Series of Structurally Related Aryl Sulphate Esters’, Biochem. Pharmacol, 18 (1969), pp. 181–195.
G. Pala, G. Coppi and E. Crescenzi, ‘On the Laxative Properties of Sulfuric Esters of Phenols, with Particular Reference to 4,4′–(2–picolylidene)–bis–phenyl– sulfuric acid Disodium Salt’, Arch. Int. Pharmacodyn. Ther., 164 (1966), pp. 356–369.
F.J. DiCarlo, C.B. Coutinho and M.C. Crew, ‘Sites of Absorption of Pentaerythritol Tetranitrate’, Arch. Int. Pharmacodyn. Ther., 167 (1967), pp. 163–170.
G.W. Lanigan and L.W. Smith, ‘Metabolism of Pyrrolizidine Alkaloids in the Ovine Rumen. I. Formation of 7ohydroxy–10f–methyl–80pyrrolizidine from Heliotrine and Lasiocarpine’, Aust. J. Agr. Res., 21 (1970), pp. 493–500.
P. Iveson, W.E. Lindup, D.V. Parke and R.T. Williams, ‘The Metabolism of Carbenoxolone in the Rat’, Xenobiotica, 1 (1971), pp. 79–95.
D.V. Parke, T.C. Hunt and P. Iveson, ‘The Fate of [14C] Carbenoxolone in Patients with Gastric Ulcer’, Gin. Sci., 43 (1972), pp. 393–400.
H.G. Bray, Z. Hybs, S.P. James and W.V. Thorpe, ‘The Metabolism of 2,3,5,6– and 2,3,4,5– Tetrachloronitro–benzenes in the Rabbit and the Reduction of Aromatic Nitro compounds in the Intestine’, Biochem. J., 53 (1953), pp. 266–273.
E.J. Kuchar, F.O. Geenty, W.P. Griffith and R.J. Thomas, ‘Analytical Studies of Metabolism of Terraclor in Beagle Dogs, Rats and Plants’, J. Agr. Food Chem., 17 (1969), pp. 1237–1240.
J.W. Cook, In vitro Destruction of Some Organo–phosphate Pesticides by Bovine Rumen Fluid’, J. Agr. Fd Chem., 5 (1957), pp. 859–863.
J. Tréfouél, J. Tréfouél, F. Nitti and D. Bovet, ‘Activité du p–amino– phénylsulfamide sur les infections streptococcignes. Experimentales de la souris et du lapin’, C. amp; Séanc. Soc. Biol., 120 (1935), p. 756.
W.W. Spink, F.W. Hurd and J. Jermsta,’In vitro Conversion of Prontosil– soluble to Sulphanilamide by Various Types of Microorganism’, Proc. Soc. exp. Biol Med., 43 (1940), p. 172.
R. Walker, ‘The Metabolism of Azo Compounds: A Review of the Literature’, Fd Cosmet. Toxicol., 8 (1970), pp. 659–676.
R. Gingell, J.W. Bridges and R.T. Williams, ‘The Role of the Gut Flora in the Metabolism of Prontosil and Neoprontosil in the Rat’, Xenobiotica, 1 (1971), pp. 143–156.
T. Okabayashi and A. Yashimoto, ‘Reduction of 4–nitroquinoline 1–oxide by Micro–organisms’, Chem. Pharm. Bull (Japan), 10 (1962), pp. 1221–1226.
A.T. Dick, A.T. Dann, L.B. Bull and C.C.J. Culvenor, ‘Vitamin B12 and the Detoxification of Hepatotoxic Pyrrolidine Alkaloids in Rumen Liquor’, Nature (Lond.), 197 (1963), pp. 207–208.
A.H. Beckett, J.W. Gorrod and P. Jenner, ‘Absorption of (–)–nicotine–l– N–oxide in Man and its Reduction in the Gastrointestinal Tract’, J. Pharm. Pharmacol, 22 (1970), pp. 722–723.
P.N. Grantham, R.E. Horton, E.K. Weisburger and J.H. Weisburger, ‘Metabolism of the Carcinogen N–2–fluorenyl–acetamide in Germ–free and Conventional Rats’, Biochem. Pharmacol, 19 (1970), pp. 163–171.
R.R. Scheline, ‘The Metabolism of Some Aromatic Aldehydes and Alcohols by the Rat Intestinal Microflora’, Xenobiotica, 2 (1972), pp. 227–236.
L.A. Griffiths and G.E. Smith, ‘Metabolism of Myricetin and Related Compounds in the Rat’. Metabolite Formation in vivo and by the Intestinal Microflora in vitro’ Biochem. J., 130 (1972), pp. 141–151.
T. Meyer and R.R. Scheline, ‘3,4,5–trimethoxy–cinnamic Acid and Related Compounds. I. Metabolism by the Rat Intestinal Microflora’, Xeno–biotica, 2 (1972), pp. 383–390.
T. Meyer and R.R. Scheline, ‘3,4,5–trimethoxy–cinnamic Acid and Related Compounds. II. Metabolism in the Rat’, Xenobiotica, 2 (1972), pp. 391–398.
T.W. Scott, P.F.V. Ward and R.M.C. Dawson, ‘Formation of Aromatic Fatty Acids from Amino Acids by Rumen Microorganisms’, Biochem. J., 87 (1963), pp. 3–4.
T.W. Scott, P.F.V. Ward and R.M.C. Dawson, ‘The Formation and Metabolism of Phenyl–substituted Fatty Acids in the Ruminant’, Biochem. J., 90 (1964), pp. 12–24.
M. Kaihara and J.M. Price, ‘The Metabolism of Quinaldic Acid, Kynurenic Acid and Xanthurenic Acid in the Rabbit’, J. Biol. Chem., 237 (1962), pp. 1727–1729.
M. Kaihaia and J.M. Price, ‘The Effect of Feeding Neomycin on the Dehydroxylation of Xanthurenic Acid to 8–hydroxy–quinaldic Acid by the Rabbit’, Biol Chem., 238 (1963), pp. 4082–4084.
G.M. Lower and G.T. Bryan, ‘The Metabolism of the 8–methyl ether of Xanthurenic Acid in the Mouse’, Cancer Res., 29 (1969), pp. 1013–1018.
G.M. Lower and G.T. Bryan, ‘The Metabolism of the 8–methyl ether of Xanthurenic Acid in the Rabbit’, J. Biol Chem., 244 (1969), pp. 2567–2571.
L.P. Strand and R.R. Scheline, ‘The Metabolism of Vanillin and Iso Vanillin in the Rat’ Xenobiotica, 5 (1975), pp. 49–63.
J.P. Moody and R.T. Williams, ‘The Fate of 4–nitro–phenylarsonic Acids in Hens’, Fd Cosmet. Toxicol, 2 (1964), pp. 695–706.
J.E. Peterson and W.H. Robinson, ‘Metabolic Products of p,p’–DDT in the Rat’, Toxicol Appl Pharmacol, 6 (1964), pp. 321–327.
J.L. Mendel and M.S. Walton, ‘Conversion of p,p’–DDT to p,p+–DDD by Intestinal Flora of the Rat’, Science, 151 (1966), pp. 1527–1528.
J.H.V. Stenersen, ‘DDT–metabolism in Resistant and Susceptible Stable– flies and in Bacteria’, Nature (Lond.), 208 (1965), p. 200.
W.R. Jondorf, D.V. Parke and R.T. Williams, ‘Studies in Detoxication. 76. The Metabolism of Halogenobenzenes. 1,2,3,4–, 1,2,3,5–and 1,2,4,5–tetrachlorobenzenes’, Biochem. J., 69 (1958), pp. 181–189.
D.V. Parke and R.T. Williams, ‘Studies in Detoxication. 81. The Metabolism of Halogenobenzenes: (a) Penta– and Hexachlorobenzenes (b) Further Observations on 1,3,5–trichlorobenzene’, Biochem J., 74 (1960), pp. 5–9.
T.L. Perry, M. Hestrin, L. MacDougall and S. Hansen, ‘Urinary Amines of Intestinal Bacterial Origin’, Clin. Chim. Acta, 14 (1966), pp. 116–123.
O.M. Bakke, ‘Urinary Simple Phenols in Rats Fed Diets Containing Different Amounts of Casein and 10% Tyrosine’, J. Nutr., 98 (1969), pp. 217–221.
O.M. Bakke, ‘Minor Urinary Metabolites of L–dopa in the Rat’, Acta Pharmacol Toxicol, 29 (1971), pp. 106–107.
J. Bergmark, A. Carlsson, A–K. Granerus, R. Jagenburg, T. Magnusson and A. Svanborg, ‘Decarboxylation of Orally Administered L–dopa in the Human Digestive Tract’, Naunyn–Schmiedebergs Arch. Pharmakol. Exp. Pathol, 272 (1972), pp. 437–440.
G. Curzon and R.T.C. Pratt, ‘Origin of Urinary Resorcinol Sulphate’, Nature (Lond.), 204 (1964), pp. 383–384.
R.R. Scheline, ‘The Metabolism of Drugs and other Organic Compounds by the Intestinal Microflora’, Acta Pharmacol Toxicol, 26 (1968), pp. 332–342.
R. Minder, F. Schnetzer and M.H. Bickel, ‘Hepatic and Extrahepatic Metabolism of the Psychotropic Drugs, Chlorpromazine, Imipramine and Imipramine–N–oxide’, Naunyn–Schmiedebergs Arch. Pharmakol Exp. Pathol, 268 (1971), pp. 334–347.
J. Closon, G. Salvatore, R. Michel and J. Roche, ‘Dégradation de l’ester sulfurique de la 3,5,3′ –triiodo–Z,–thyronine par les bactéries intestinales du rat’, C. r. Séances Soc. Biol., 153 (1959), pp. 1120–1125.
B.A. Koechlin, F. Rubio, S. Palmer, T. Gabriel and R. Duschinsky, ‘The Metabolism of 5–fluoro–cytosine–214C and of Cytosine 14C in the Rat and the Disposition of 5–fluoro–cytosine–214C in Man’, Biochem. Pharmacol, 15 (1966), pp. 435–466.
J.J. Roxon, A.J. Ryan and S.E. Wright, ‘Enzymatic Reduction of Tartrazine by Proteus vulgaris from Rats’, Fd Cosmet. Toxicol, 5 (1967), pp. 645–656.
R.R. Scheline, ‘Studies on the Role of the Intestinal Microflora in the Metabolism of Coumarin in Rats’, Acta Pharmacol Toxicol, 26 (1968), pp. 325–331.
S.R. Indahl and R.R. Scheline, ‘The Metabolism of Umbelliferone and Herniarin in Rats and by Rat Intestinal Microflora’ Xenobiotica, 1 (1971), pp. 13–24.
Y. Nakagawa, M.R. Shetlar and S.H. Wender, ‘Urinary Products from Quercetin in Neomycin–treated Rats’, Biochim. Biophys. Acta, 97 (1965), pp. 233–241.
R.S. Rosenfeld, I. Paul and T. Yamuchi, ‘Sterol Esterification in Feces’, Arch. Biochem. Biophys,122 (1967), pp. 653–657.
O. Sjaastad, Fate of Histamine and N–acetylhistamine Administered into the Human Gut’ Acta Pharmacol Toxicol, 24 (1966), pp. 189–202.
R.R. Scheline and B. Longberg, ‘The Absorption, Metabolism and Excretion of the Sulphonated Azo Dye, Acid Yellow, by Rats’, Acta Pharmacol Toxicol, 23 (1965), pp. 1–14.
I. Rowland, M. Davies and P. Grasso, ‘Biosynthesis of Methylmercury Compounds by the Intestinal Flora of the Rat’, Arch. Environ. Hlth, 32 (1977), pp. 24–28.
P.J. Thomas,’In vitro Conversion of Oleic Acid to Hydroxystearic Acid by Intestinal Bacteria’, Gin. Res., 18 (1970), p. 609.
P.J. Thomas, ‘Identification of some Enteric Bacteria which Convert Oleic Acid to Hydroxystearic Acid in vitro’ Gastroenterology, 62 (1978), pp. 430–435.
P. Klubes and W.R. Jondorf, ‘Dimethylnitrosamine Formation From Sodium Nitrite and Dimethylamine by Bacterial Flora of Rat Intestine’, Res. Commun. Chem. Pathol Pharmacol, 2 (1971), pp. 24–34.
G. Hawksworth and M.J. Hill, ‘Bacteria and the N–Nitrosation of Secondary Amines’, Br. J. Cancer, 25 (1971), pp. 520–526.
P. Kemp and R.M.C. Dawson, ‘Isomerisation of Linolenic Acid by Rumen Micro–organisms’, Biochem. J., 109 (1968), pp. 477–478.
R.H. Adamson, J.W. Bridges, M.E. Evans and R.T. Williams, ‘Species Differences in the Aromatisation of Quinic Acid in vivo and the Role of Gut Bacteria’, Biochem. J., 116 (1970), pp. 437–443.
P. Goddard and M.J. Hill, ‘The Dehydrogenation of the Steroid Nucleus by Human–gut Bacteria’, Biochem. Soc. Trans., 1 (1973), pp. 1113–1115.
R.T. Williams, P. Millburn and R.L. Smith, ‘The Influence of Entero– hepatic Circulation on the Toxicity of Drugs’, Ann. N. Y. Acad. Sci., 123 (1965), p. 110.
A.G. Clark, L.J. Fischer, P. Millburn, R.L. Smith and R.T. Williams, ‘The Role of Gut Flora in the Enterohepatic Circulation of Stilboestrol in the Rat’ Biochem. J., 112 (1969), p. 17.
L.G. Ladomery, A.J. Ryan and S.E. Wright, ‘Excretion of 14C Butylated Hydroxytoluene (BHT) in the Rat’, Fd Cosmet. Toxicol, 3 (1967), p. 547.
M. Spalz, D.W.E. Smith, E.G. McDaniel and G.L. Laqueur, ‘Role of Intestinal Microorganisms in Determining Cycasin Toxicity’, Proc. Soc. exp. Biol Med. (NY), 124 (1967), p. 691.
A.G. Renwick and R.T. Williams, ‘Gut Bacteria and the Metabolism of Cyclamate in the Rat’, Biochem. J., 114 (1969), p. 78.
M.J. Hill, B.S. Drasar, V. Aries, J.S. Crowther, G. Hawksworth and R.E.O. Williams, ‘Bacteria and Aetiology of Cancer of the Large Bowel’, Lancet, pp. 95–100.
K. Hartiala, ‘Metabolism of Hormones, Drugs and Other Substances by the Gut’, Physiological Rev., 53 (1973), pp. 496–534.
R.S. Chhabra and J.R. Fouts, ‘Biochemical Properties of Some Micro–somal Xenobiotic–metabolising Enzymes in Rabbit Small Intestine’, Drug Meta–bolism amp; Disposition, 4 (1976), pp. 208–214.
R.S. Chhabra and J.M. Tredger, ‘Interactions of Drugs and Intestinal Mucosal Endoplasmic Reticulum’, Nutrition amp; Drug Interrelations, (1978), pp. 253–s277.
S.J. Stohs, R.C. Grafstrom, D.M. Burke and S. Orrenius, ‘Xenobiotic Metabolism and Enzyme Induction in Isolated Rat Intestinal Microsomes’, Drug Metabolism amp; Disposition, 4 (1976), pp. 517–521.
M.H. Floch, S. Van Noorden and H.M. Spiro, ‘Histochemical Localisation of Gastric and Small Bowel Mucosal Enzymes of Man, Monkey and Chimpanzee’, Gastroenterology, 52 (1967), pp. 230–238.
B. Friedman, D.S. Strachan and M.M. Dewey, ‘Histochemical and Bio–chemical Analysis of the Non–specific Esterases of the Small Intestine of the Rat’ J. Histochem. Cytochem., 14 (1966), pp. 560–566.
D.W. Piper and B.H. Fenton, ‘Beta–glucuronidase of Gastric, Mucosal and Carcinomatous Origin’, Gin. Chem. Acta, 24 (1969), pp. 215–219.
R.P. Spencer, K.R. Brody and B.M. Lutters, ‘Some Effects of Ethanol on the Gastrointestinal Tract’, Am. J. Dig. Dis., 9 (1964), pp. 599–604.
W.-F. Fang and H.W. Strobel, ‘The Drug and Carcinogen Metabolism System of Rat Colon Microsomes’ Arch. Biochem. Biophys., 186 (1978), pp. 128–138.
J. Kubistova, ‘Parathion Metabolism in Female Rats’, Arch. Int. Pharmacodyn. Ther., 118 (1959), pp. 308–316.
P.D. Lotlikar, E.C. Miller, J.A. Miller and A. Margreth, ‘Enzymic Reduction of the TV–hydroxy Derivatives of 2–acetylaminofluorene and Related Carcinogens by Tissue Preparations’, Cancer Res., 25 (1965), pp. 1743–1752.
A. Aitio, ‘UDP–glucuronyl Transferase Activity in Various Rat Tissues’, Int. J. Biochem., 5 (1974), pp. 325–330.
M.O. Pulkkinen, ‘Sulphate Conjugation during Development in Human, Rat and Guinea Pig’, Acta Physiol Scand., 66 (1966), pp. 115–119.
L.M. Pinkus, J.N. Ketley and W.B. Jakoby, ‘The Glutathione S– transferases as a possible Detoxification System of Rat Intestinal Epithelium’, Biochem. Pharmacol, 26 (1977), pp. 2359–2363.
C. Davidson, E.F. Zimmerman and P.K. Smith, ‘On the Metabolism and Toxicity of Methyl Salicylate’ J. Pharm. Expt. Ther., 132 (1961), pp. 207–211.
J.R. Poley, ‘Fat Digestion and Absorption in Lipase and Bile Acid Deficiency’ in K. Rommel and R. Bohmer (eds.), Lipid Absorption: Biochemical and Clinical Aspects (Univ. Park Press, Baltimore, 1976 ), pp. 151–202.
V.L.W. Go, J.R. Poley, A.F. Hofmann and W.H.J. Summerskill, ‘Disturbances in Fat Digestion Induced by Acidic Jejunal pH due to Gastric Hypersecretion in Man’, Gastroenterology, 58 (1970), pp. 638–646.
B. Hadorn and J.C. Haworth, ‘Intestinal Enterokinase Deficiency Clinical and Biochemical Findings in Six Patients’ in B. Borgstrom, A. Dahlqvist and L. Hambracus (eds.), Intestinal Enzyme Deficiencies and their Nutritional Implications (Swedish Nutrition Foundation, 1973 ), pp. 107–113.
J.C. Haworth, B. Hadorn, B. Gourley, A, Prasad and V. Troesch, ‘Intestinal Enterokinase Deficiency, Occurrence in Two Siblings and Age Dependency of Clinical Expression’, Arch. Dis. Child., 50 (1973), pp. 277–282.
G.C. Cook, ‘Incidence and Clinical Features of Specific Hypolactasia in Adult Man’ in B. Borgstrom, A. Dahlqvist and L. Hambracus (eds.), Intestinal Enzyme Deficiencies and their Nutritional Implications (Swedish Nutrition Foundation, 1973 ), pp. 52–73.
A. Dahlqvist and N.-G. Asp, ‘Specific Disaccharidase Deficiency in Adults’, Trans. Biochem. Soc., 3 (1975), pp. 227–232.
G.C. Cook, ‘Defects of Sugar Absorption. Some Observations on Racial Lactase Deficiency’, Proc. R. Soc. Med., 61 (1968), pp. 1102–4.
N.S. Rosensweig, ‘The Influence of Dietary Carbohydrates on Intestinal Disaccharidase Activity in Man’ in B. Borgstrtfm, A. Dahlqvist and L. Hambracus (eds.), Intestinal Enzymic Deficiencies and their Nutritional Implications (Swedish Nutrition Foundation, 1973 ), pp. 21–31.
E. Gudmund–Høyer, ‘Clinical Significance and Some Nutritional Aspects of Disaccharide Malabsorption’ in B. Borgstrom, A. Dahlqvist and L. Hambracus (eds.), Intestinal Enzyme Deficiencies and their Nutritional Implications (Swedish Nutrition Foundation, 1973 ), pp. 37–44.
P. Coello–Ramirez and F. Lifshitz, ‘Enteric Microflora and Carbohydrate Tolerance in Infants with Diarrhoea’, Pediatrics, 49 (1972), pp. 233–242.
A. Jones, P.R. Flanagan and G.C. Forstner, ‘Pathogenesis of Mucosal Injury in the Blind Loop Syndrome. Brush Border Enzyme Activity and Glycoprotein Degradation’ J. Gin. Invest 60 (1977), pp. 1321–1330.
W. Perlow, E. Baraona and C.S. Lieber, ‘Symptomatic Intestinal Disaccharidase Deficiency in Alcoholics’, Gastroenterology, 72 (1977), pp. 680–684.
G.C. Graham and D.M. Paige, ‘Nutritional Implications of Low Intestinal Lactase Activity in Children’ in B. Borgstrom, A. Dahlqvist and L. Hambracus (eds.), Intestinal Enzyme Deficiencies and their Nutritional Implications (Swedish Nutrition Foundation, 1973 ), pp. 45–51.
C.E. Stirling, A.J. Schneider, M.–D. Wong and W.B. Kinter, ‘Quantitative Radioautography of Sugar Transport in Intestinal Biopsies from Normal Humans and a Patient with Glucose–Galactose Malabsorption’, J. Clin. Invest., 51 (1972), pp. 438–451.
E.E. Wollaeyer, W.O. Lundberg and J.R. Chipault, ‘Fecal Plasma Lipids’, Gastroenterology, 24 (1952), pp. 422–436.
C.R. Kepler and S.B. Tove, ‘Biohydrogenation of Unsaturated Fatty Acids III. Purification and Properties of a Linoleate. 12–cis,A 11–trans–isomerase from Butyrivibro fibrisolvens’ J. Biol. Chem., 242 (1967), pp. 5686–5692.
S.C. Mills, T.W. Scott, G.R. Russell and R.M. Smith, ‘Hydrogenation of C18 Unsaturated Fatty Acids by Pure Cultures of a Rumen Micrococcus’, Aust. J. Biol. Set, 23 (1970), pp. 1109–1113.
P. Kemp and R.W. White, ‘The Biohydrogenation of Linolenic and Linoleic Acids by Bacteria Isolated from an Ovine Rumen’, Biochem. J., 106 (1968), p. 55 P.
W.C. Watson, ‘Intestinal Hydrogenation of Dietary Fatty Acids’, Clin. Chim. Acta, 12 (1965), pp. 340–342.
A.T. James, J.P.W. Webb and T.D. Kellock, ‘The Occurrence of Unusual Fatty Acids in Faecal Lipids from Human Beings with Normal and Abnormal Fat Absorption’, Biochem. J., 78 (1961), pp. 333–339.
E.L. Wynder and S. Takao, ‘Environmental Factors of Cancer of the Colon and Rectum’, Cancer, 20 (1967), pp. 1520–1561.
W. Haenszel, ‘Cancer Mortality among the Foreign–born in the United States’, J. Natl Cancer Inst., 26 (1961), pp. 37–132.
J. Staszewski, M.G. McCall and N.S. Stenhouse, ‘Cancer Mortality in 1962–66 among Polish Migrants to Australia’, Br. J. Cancer, 25 (1971), pp. 599–610.
M.J. Hill, ‘The Effect of some Factors on the Faecal Concentration of Acid Steroids, Neutral Steroids and Urobilins’ J. Path., 104 (1974), pp. 239–245.
J.S. Crowther, B.S. Drasar, P. Goddard, M.J. Hill and K. Johnson, ‘The Effect of a Chemically Defined Diet on the Faecal Flora and Faecal Steroid Con–centration’, Gut, 14 (1973), pp. 790–793.
W.E. Connor, D.T. Witiak, D.B. Stone and M.L. Armstrong, ‘Cholesterol Balance and Faecal Neutral Steroids and Bile Acid Excretion in Normal Men Fed Dietary Fats of Different Fatty Acid Composition’, J. Gin. Invest., 48 (1965), pp. 1363–1375.
E. Quintao, S.M. Grundy and E.H. Ahrens, ‘Effect of Dietary Cholesterol on the Regulation of Total Body Cholesterol in Man’, J. Lipid Res., 12 (1971), pp. 233–247.
J.D. Wilson and C.A. Lindsey, ‘Studies on the Influence of Dietary Cholesterol Metabolism in the Isotopic Steady State in Man’, J. Gin. Invest., 44 (1965), pp. 1805–1814.
M.J. Hill, B.S. Drasar, R.E.O. Williams, T.W. Meade, A.G. Cox, J.E.P. Simpson and B.C. Morson, ‘Faecal Bile–Acids and Clostridia in Patients with Cancer of the Large Bowel’, Lancet, i (1975), pp. 535–538.
B.R. Goldin and S.L. Gorbach, ‘The Relationship Between Diet and Rat Faecal Bacterial Enzymes Implicated in Colon Cancer’, J. Natl Cancer Inst., 57 (1976), pp. 371–375.
B.S. Reddy and E.L. Wynder, ‘Large–Bowel Carcinogenesis Fecal Constituents of Populations with Diverse Incidence Rates of Colon Cancer’, J. Natl Cancer Inst., 50 (1972), pp. 1437–1442.
H.F. Mower, R.M. Ray, R. Shoff, G.N. Stemmermann, A. Nomura, G.A. Glober, S. Kamiyama, A. Shimada and H. Yamakawa, ‘Fecal Bile Acids in Two Japanese Populations with Different Colon Cancer Risks’, Cancer Res., 39 (1979), pp. 328–331.
IARC Intestinal Microecology Group, ‘Dietary Fibre, Transit–Time, Faecal Bacteria, Steroids and Colon Cancer in Two Scandinavian Populations’, Lancet, i (1977), pp. 207–211.
E.L. Wynder and B.S. Reddy, ‘The Epidemiology of Cancer of the Large Bowel’, Am. J. Dig. Dis., 19 (1974), pp. 937–946.
T. Narisawa, N.E. Magadia, J.H. Weisburger and E.L. Wynder, ‘Promoting Effect of Bile Acids on Colon Carcinogenesis after Intrarectal Instillation of N–methyl–N’–nitro–N–nitrosoguanidine in Rats’ J. Natl Cancer Inst., 53 (1974), pp. 1093–1097.
S.J. Silverman and A.W. Andrews, ‘Bile Acids: Comutagenic Activity in the Salmonelta–Mammdhan Microsome Mutagenicity Test: Brief Communication’, J. Natl Cancer Inst., 59 (1977), pp. 1557–1559.
M.I. Kelsey and R.J. Pienta, ‘Transformation of Hamster Embryo Cells by Cholesterol–α–epoxide and Lithocholic Acid’, Cancer Lett., 6 (1979), pp. 143–149.
V. Aries and M.J. Hill, ‘Degradation of Steroids by Intestinal Bacteria II. Enzymes Catalysing the Oxidoreduction of the 3α–, 7α– and 12α–hydroxy Groups in Cholic Acid and the Dehydroxylation of the 7–hydroxyl Group’, Biochim. Biophys. Acta, 202 (1970), pp. 535–543.
M.J. Hill and V.C. Aries, ‘Faecal Steroid Composition and its Relationship to Cancer of the Large Bowel’, J. Pathol., 104 (1971), pp. 129–139.
F. Fernandez and M. Hill, ‘A Faecal Hydrogen Acceptor for Clostridial 3–Oxo Steroid 4–Dehydrogenase’, Biochim. Soc. Trans., 6 (1978), pp. 376–377.
P. Lombardi, B. Goldin, E. Boutin and S.L. Gorbach, ‘Metabolism of Androgens and Estrogens by Human Faecal Microorganisms’, J. Steroid Biochem., 9 (1978), pp. 795–801.
M.J. Hill, ‘The Role of Colon Anaerobes in the Metabolism of Bile Acids and Steroids, and its Relation to Colon Cancer’, Cancer, 36 (1975), pp. 2387–2400.
S.M. Finegold, H.R. Attebery and V.L. Sutter, ‘Effect of Diet on Human Fecal Flora: Comparison of Japanese and American Diets’, Am. J. Gin. Nutr., 27 (1974), pp. 1456–1469.
S.M. Finegold, D.J. Flora, H.R. Attebery and V.L. Sutter, ‘Fecal Bacteriology of Colonic Polyp Patients and Control Patients’, Cancer Res., 35 (1975), pp. 3407–3417.
B.S. Reddy, A. Mastromarino, C. Gustafson, M. Lipkin and E.L. Wynder, ‘Fecal Bile Acids and Neutral Sterols in Patients with Familial Polyposis’, Cancer, 38 (1976), pp. 1694–1698.
B.S. Reddy and E.L. Wynder, ‘Metabolic Epidemiology of Colon Cancer. Fecal Bile Acids and Neutral Sterols in Colon Cancer Patients and Patients with Adenomatous Polyps’, Cancer, 39 (1977), pp. 2533–2539.
B.S. Reddy, C.W. Martin and E.L. Wynder, ‘Fecal Bile Acids and Cholesterol Metabolites of Patients with Ulcerative Colitis, a High Risk Group for Development of Colon Cancer’, Cancer Res., 37 (1977), pp. 1697–1701.
A.L, Watne, H.–Y.L. Hai, T. Mance and S. Core, ‘Fecal Steroids and Bacterial Flora in Patients with Polyposis Coli’, Am. J. Surg., 131 (1976), pp. 42–46.
E. Bone, B.S. Drasar and M.J. Hill, ‘Gut Bacteria and their Metabolic Activities in Familial Polyposis’, Lancet, i (1975), pp. 1117–1120.
M. Moskovitz, C. White and M.H. Floch, ‘Bile Acid and Neutral Sterol Excretion in Carcinoma of the Colon, Other Cancers and Control Subjects’, Gastroenterology, 74 (1978), p. 107.
T.D. Wilkins and A.S. Hackman, ‘Two Patterns of Neutral Steroid Conversion in Faeces of Normal North Americans’, Cancer Res., 34 (1974), pp. 2250–2254.
A.A. Salyers, J.F. Sperry, T.D. Wilkins, A.R.P. Walter and N.J. Richardson, ‘Neutral Steroid Concentration in the Faeces of N. American White and S. African Black Populations at Different Risks for Cancer of the Colon’, S. African Med. J., 51 (1977), pp. 823–827.
P. Cruse, M. Lewin and C.G. Clark, ‘Dietary Cholesterol is Co-carcinogenic for Human Colon Cancer’, Lancet, i (1979), pp. 752–755.
M.J. Hill, B.C. Morson and H.J.R. Bussey, ‘Aetiology of Adenoma-carcinoma Sequence in Large Bowel’, Lancet, i (1978), pp. 245–247.
J.P. Cruse, M.R. Lewin, G.P. Ferulano and C.G. Clark, ‘Co-carcinogenic Effects of Dietary Cholesterol in Experimental Colon Cancer’, Nature (Lond.), 276 (1978), pp. 822–825.
J. Melnykowycz and K.R. Johansson, ‘Formation of Amines by Intestinal Microorganisms and the Influence of Chlortetracycline’, J. Expl Med., 101 (1955), pp. 507–517.
E.A. Phear and B. Ruebner, ‘The In Vitro Production of Ammonium and Amines by Intestinal Bacteria in Relation to Nitrogen Toxicity as a Factor in Hepatic Coma’, Br. J. Exp. Path., 37 (1956), pp. 253–262.
Anon, ‘Headache, Tyramine, Serotonin and Migraine’, Nutr. Rev., 26 (1968), pp. 40–44.
S.L. Rice, R.R. Eitenmiller and R.E. Koehler, ‘Biologically Active Amines in Food. A. Review’, J. Milk Fd Technol, 39 (1976), pp. 353–358.
W.T. Irvine, H. Duthie and N.G. Watson, ‘Urinary Output of Free Histamine After a Meat Meal’, Lancet, i (1959), pp. 1061–1064.
O.M. Bakke, ‘Studies on the Degradation of Tyrosine by Rat Caecal Contents’, Scand. J. Gastroenterol, 4 (1969), pp. 603–608.
R.K. Boutwell in B.J. Finkle and V.C. Runeckles (eds.), Phenolic Compounds and Metabolic Regulation (Appleton-Century-Crofts, N.Y., 1967 ).
A. Angel and K.J. Rogers, ‘Convulsant Action of Polyphenols’, Nature (Lond.), 217 (1968), pp. 84–85.
W.F. Rogers, M.P. Burdick and G.R. Burnett, ‘The Effect of Antibioticsa on the Excretion of Phenolic Compounds’, J. Lab. Clin. Med., 45 (1955), pp. 87–96.
R.D. DeMoss and K. Moser, Tryptophanase in Diverse Bacterial Species’, J. Bact., 98 (1969), pp. 167–171.
W.F. Dunning and M.R. Curtis, ‘The Role of Indole in Incidence of 2-cetylaminofluorene-induced Bladder Cancer in Rats’, Proc. Soc. Biol. Med., 99 (1958), pp. 91–99.
H.J. Dyer and H.P. Morris, ‘An Effect of N-2-fluorenylacetamide on the Metabolism of Tryptophan in Rats’, J. Natl Cancer Inst., 26 (1961), pp. 315–329.
G. Bryan, ‘The Role of Urinary Tryptophan Metabolite in the Etiology of Bladder Cancer’, Am. J. Clin. Nutr., 24 (1971), pp. 841–847.
H. Ehrhart and W. Stich, ‘Untersuchungen über Experimentelle Leukämien: Die Indol. Leukämie bei der weissen Mans’, Klin. Wochenschr., 35 (1957), pp. 504–511.
M.O. Rauschenbakn, E.I. Zharova and T.G. Protasova, ‘Blastomogenic Properties of Certain Metabolites of Tryptophan’, Acta Un. Int. Contra Cancrum., 19 (1963), p. 660.
J.P. Bowden, K.-T. Chung and A.W. Andrews, ‘Mutagenic Activity of Tryptophan Metabolites Produced by Rat Intestinal Microflora’, N. Natl Cancer Inst., 57 (1966), pp. 921–924.
C.A. Benassi, F.M. Veronese and A. De Antoni, ‘On the Determination of Small Amounts of Tryptophan Metabolites and their Occurrence in Normal Human Urine’, Gin. Chim. Acta, 17 (1967), pp. 383–391.
F.A.G. Teulings, W. Fokkens, J.G.A.H. Kaalen and B. Van Der Werf-Messing, ‘The Concentration of Free and Conjugated 3-Hydroxyanthranilic Acid in the Urine or Bladder Tumour Patients Before and After Therapy, Measured with an Enzymatic Method’, Br. J. Cancer, 27 (1973), pp. 316–322.
J.W. Berg and M.A. Howell, ‘The Geographic Pathology of Bowel Cancer’, Cancer, 34 (1974), pp. 807–814.
S. Graham, H. Dayal, M. Swanson, A. Mittelman and G. Wilkinson, ‘Diet in the Epidemiology of Cancer of the Colon and Rectum’, J. Natl Cancer Inst., 61 (1978), pp. 709–714.
D.D. Kasarda, ‘Coeliac Disease. Malabsorption of Nutrients Induced by a Toxic Factor in Gluten’, Bakers Digest, 46 (1972), p. 25.
A. Ferguson, ‘Coeliac Disease (Gluten Hypersensitivity)’, J. Human Nutr., 30 (1976), pp. 193–201.
O.D. Lowlessar, ‘Dietary Gluten Sensitivity Updated’ J. Am. Diet Assoc., 60 (1972), pp. 475–477.
M.L. Roselund, ‘What is Celiac Disease?’, Clin Pediatrics, 9 (1970), p. 695.
C.M. Anderson, A.C. Frazer, J.M. French, J.W. Gerrard, H.G. Sammons and J.M. Smellie, ‘Coeliac Disease: Gastro-Intestinal Studies and the Effect of Dietary Wheat Flour’, Lancet, i (1952), pp. 836–842.
M. Messer and C.M. Anderson, ‘Pancreatic Carboxypeptidases A and B in Coeliac Disease’, Clin. Chim. Acta, 6 (1961), pp. 276–280.
M. Messer, C.M. Anderson and R.R.W. Townley, ‘Peptidase Activity of Biopsies of the Duodenal Mucosa of Children with and without Celiac Disease’, Gin. Chim. Acta, 6 (1961), pp. 768–775.
H.J. Cornell and C.J. Rolles, ‘Further Evidence of a Primary Mucosal Defect in Coeliac Disease’, Gut, 19 (1978), pp. 253–259.
C.F. Langworthy and H.J. Deuel, ‘Digestibility of Raw Corn, Potato and Wheat Starches’ J. Biol. Chem., 42 (1920), pp. 27–40.
J.W. Beazell, C.R. Schmidt and A.C. Ivy, ‘On the Digestibility of Raw Potato Starch in Man’ J. Nutr., 17 (1939), pp. 77–83.
B. Jelinek, M.C. Katayama and A.E. Harper, ‘The Inadequacy of Un-modified Potato Starch as Dietary Carbohydrate for the Albino Rat’, Can. J. med.Sci.,30 (1952), p. 447.
E.A. El Harith, J.W.T. Dickerson and R. Walker, ‘Potato Starch and Caecal Hypertrophy in the Rat’, Fd Cornet. Toxicol., 14 (1976), pp. 115–121
C.T. Whittemore, I.W. Moffat and A.G. Taylor, ‘Influence of Cooking upon the Nutritive Value of Potato and Maize in Diets for Growing Pigs’, J. Sci. Fd Agric., 26 (1975), pp. 1567–1576.
E.A. El Harith, R. Walker, G.G. Birch and G. Sukan, ‘Some Factors Influencing Caecal Enlargement Induced by the Raw Potato Starch in the Rat’, Fd Chem., 2 (1977), pp. 279–289.
R. Walker and E.A. El Harith, ‘Nutritional and Toxicological Properties of some Raw and Modified Starches’, Ann Nutr. Alim., 32 (1978), pp. 671–679.
A.O. Ketiku and V.A. Oyenuga, ‘Changes in the Carbohydrate Constituents of Cassava Root–Tuber (Manihot Utillissima Pohl) during Growth’, J. Sci. Fd Agric., 23 (1972), pp. 1451–1456.
R. Walker, ‘Some Observations on the Phenomenon of Caecal Enlargement in the Rat’ in C.L. Galli, R. Paoletti and G. Vettorazzi (eds.), Chemical Toxicology of Food ( Elsevier/North Holland, Amsterdam, 1978 ), pp. 339–348.
E.A. El Harith, J.W.T. Dickerson and R. Walker, ‘On the Nutritive Value of Various Starches for the Albino Rat’ J. Sci. Fd Agric., 21 (1976), pp. 521– 526.
G. Reussner, J. Andros and R. Thiessen, ‘Studies on the Utilization of Various Starches and Sugars in the Rat’ J. Nutr., 80 (1963), p. 291.
G.G. Birch and I.J. Etheridge, ‘Chemical and Physiological Properties of Glucose Syrup Components’, Starke., 25 (1973), p. 235.
G.G. Birch, I.J. Etheridge and L.F. Green, ‘Short-term Effects of Feeding Rats with Glucose Syrup Fractions and Dextrose’, Br. J. Nutr., 29 (1973), p. 87.
F.R. Steggerda, E.A. Richards and J.J. Rackis, ‘Effects of Various Soybean Products on Flatulence in the Adult Man’, Proc. Soc. Expl Biol. Med., 121 (1966), pp. 1235–1239.
E.A. Richards and F.R. Steggerda, ‘Production and Inhibition of Gas in Various Regions in the Intestine of the Dog’, Proc. Soc. Expl Biol. Med., 122, (1966).
E.A. Richards, F.R. Steggerda and A. Murata, ‘Relationship of Bean Substrate and Certain Intestinal Bacteria to Gas Production in the Dog’, Gastro-enterol., 55 (1968), p. 502.
G.O. Aspinwall, K. Hunt and I.N. Morrison, ‘Polysaccharides of Soybeans. III. Extraction and Fractionation of Polysaccharides from Cotyledon Meal’ J. Chem. Soc., (1967),pp. 1065–1070.
D.H. Calloway and E.L. Murphy, ‘The Use of Expired Air to Measure Intestinal Gas Formation’, Ann. N. Y. Acad. Sci., 150 (1968), p. 82.
D.P. Burkitt, ‘Disease of the Alimentary Tract and Western Diets’, Path. Microbiol, 39 (1973), pp. 177–186.
G.A. Spiller and R.J. Amen, ‘Plant Fibers in Nutrition: Need for Better Nomenclature’, Am. J. Gin. Nutr., 28 (1975), pp. 675–676.
D.A.T. Southgate, ‘Determination of Carbohydrates in Foods. II — Unavailable Carbohydrates’ J. Sci. Fd Agric., 20 (1969), pp. 331–335.
R.J. Van Soest and R.W. McQueen, ‘The Chemistry and Estimation of Fiber’, Proc. Nutr. Soc., 32 (1973), pp. 123–130.
P.J. Van Soest, ‘The Uniformity and Nutritive Availability of Cellulose’, Fed. Proc., 32 (1973), pp. 1804–1808.
A.I. Mendeloff, ‘Dietary Fiber’, Nutr. Rev., 33 (1975), pp. 321–326.
N.S. Painter, A.Z. Almeida and K.W. Colebourne, ‘Unprocessed Bran in Treatment of Diverticular Disease of the Colon’, Br. Med. J., 2 (1972), pp. 137–140. s
A.J. Carlson and F. Moelzel, ‘Relation of Diet to Diverticulosis of the Colon in Rats’, Gastroenterology, 12 (1949), pp. 108–115.
S. Graham, H. Dayal, M. Swanson, A. Mittelman and G. Wilkinson, ‘Diet in the Epidemiology of Cancer of the Colon and Rectum’, J. Natl Cancer Inst., 61 (1978), pp. 709–714.
M.A. Eastwood and D. Hamilton, ‘Studies on the Adsorption of Bile Salts to Non-Absorbed Components of Diet’, Biochim. Biophys. Acta, 152 (1968), pp. 165–173.
D.P. Burkitt, ‘Epidemiology of Cancer of the Colon and Rectum’, Cancer, 28 (1971), pp. 3–13.
D.P. Burkitt, A.R.P. Walker and N.S. Painter, ‘Effect of Dietary Fibre on Stools and Transit–times, and its Role in the Causation of Disease’, Lancet, ii (1972), pp. 1408–1409.
R.L. Walters, I. McLean Baird, P.S. Davies, M.J. Hill, B.S. Drasar, D.A.T. Southgate, J. Green and B. Morgan, ‘Effects of Two Types of Dietary Fibre on Faecal Steroid and Lipid Excretion’, Br. Med. J., 2 (1975), pp. 536–538.
J.M. Findlay, A.N. Smith, W.D. Mitchell, A.J.B. Anderson and M.A. Eastwood, ‘Effects of Unprocessed Bran on Colon Function in Normal Subjects and in Diverticular Disease’, Lancet, i (1974), pp. 146–149.
M.A. Eastwood, J.R. Kirkpatrick, W.D. Mitchell, A. Bone and T. Hamilton, ‘Effects of Dietary Supplements of Wheat Bran and Cellulose on Faeces and Bowel Function’, Br. Med. J., 4 (1978), pp. 392–394.
M. Stasse-Wolthuis, H.F.F. Albers, J.G.C. Van Jeveren, J.W. de Jong, J.G.A. J. Hautvast, R.J.J. Hermus, M.B. Katan, W.G. Brydon and M.A. Eastwood, ‘Influence of Dietary Fiber from Vegetables and Fruit, Bran or Citrus Pectin on Serum Lipids, Fecal Lipids, and Colonic Function’, Am. J. Clin. Nutr., 33 (1980), pp. 1745–56.
J.H. Cummings, D.A.T. Southgate, W. Branch, H. Houston, D.J.A. Jenkins and W.P.T. James, ‘Colonic Response to Dietary Fibre from Carrot, Cabbage, Apple, Bran and Guar Gum’, Lancet, i (1978), pp. 5–8.
O.K. Payler, E.W. Pomare, K.W. Heaton and R.F. Harvey, ‘The Effect of Wheat Bran on Intestinal Transit’, Gut, 16 (1978), pp. 209–213.
D. Kritchevsky and J.A. Story, ‘Binding of Bile Salts in vitro by Non-nutritive Fiber’, J. Nutr., 104 (1974), pp. 458–461.
M.A. Eastwood, R. Anderson, W.D. Mitchell, J. Roberton and S. Pocock, ‘A Method to Measure the Adsorption of Bile Salts to Vegetable Fibre of Differing Water Holding Capacity’, J. Nutr., 106 (1976), pp. 1429–1432.
M.J. Hill, J.S. Crowther, B.S. Drasar, G. Hawksworth, V. Aries and R.E.O. Williams, ‘Bacteria and Aetiology of Cancer of Large Bowel’, Lancet, i (1971), pp. 95–100.
B.S. Reddy, A.R. Hedges, K. Laakso and E.L. Wynder, ‘Metabolic Epidemiology of Large Bowel Cancer. Fecal Bulk and Constituents of High-Risk North American and Low-Risk Finnish Population’, Cancer, 42 (1978), pp. 2832–2838.
A. Antonis and I. Bersohn, ‘The Influence of Diet on Fecal Lipids in South African White and Bantu Prisoners’, Am. J. Clin. Nutr., 11 (1962), pp. 142–155.
G.A. Spiller, ‘Interactions of Plant Fibers and Levels of Dietary Cholesterol on Fecal Neutral Sterols Excretion’, J. Nutr., 7 (1976), X XVI.
B.H. Ershoff, ‘Beneficial Effects of Alfalfa and Other Succulent Plants on Glucascorbic Acid Toxicity in the Rat’, Proc. Soc. Exp. Biol Med., 85 (1957), pp. 656–659.
B. Ershoff and E.W. Thurston, ‘Effect of Diet on Amaranth (FDamp;C Red No. 2) Toxicity in the Rat’, J. Nutr., 104 (1974), pp. 937–942.
T. Kimura, H. Furuta, Y. Matsumoto and A. Yoshida, ‘Ameliorating Effect of Dietary Fiber on Toxicities of Chemicals Added to a Diet in the Rat’, J. Nutr., 110 (1980), pp. 513–521.
B.H. Ershoff, ‘Comparative Effects of a Purified and Stock Ration on Sodium Cyclamate Toxicity in Rats’, Proc. Soc. Exp. Biol. Med., 141 (1972), pp. 857–862.
J.M. Ward, R.S. Yammamoto and J.H. Weisburger, ‘Cellulose Dietary Bulk and Azoxymethane–induced Intestinal Cancer’ J. Natl Cancer Inst., 51 (1973), pp. 713–715.
N.D. Nigro, A.W. Bull, B.A. Klopfer, M.S. Pak and R.L. Campbell, ‘Effect of Dietary Fiber on Azoxymethane–induced Intestinal Carcinogenesis in Rats’, J. Natl Cancer Inst., 62 (1979), pp. 1097–1102.
R.W. Engel and D.H. Copeland, ‘Protective Action of Stock Diets Against the Cancer-inducing Action of 2-acetylaminofluorene in Rats’, Cancer Res., 12 (1952), pp. 211–215.
M.G. Whiting, ‘Toxicity of Cycads’, Econ. Bot., 17 (1963), p. 271.
G.L. Laqueur and M. Spatz, ‘Toxicology of Cycasin’, Cancer Res., 28 (1968), p. 2262.
K. Nishida, A. Kobayashi and T. Nagahama, ‘Cycasin, a New Toxic Glycoside of Cycas revoluta Thumg., 1. Isolation and Structure of Cycasin’, Bull. Agric. Chem. Soc. Jap., 19 (1955), p. 77.
N.V. Riggs, Glucosylazoxymethane, a Constituent of the Seeds of Cycas circinalis L. J Chemy. Ind., (1956), p. 926.
Anon, ‘Cycad: The Fruits of Conversion’, Fd Cosmet. Toxicol, 10 (1972), p. 246.
G.L. Laqueur and H. Matsumoto, ‘Neoplasms in Female Fisher Rats Following Intraperitoneal Injection of Methylazoxy-methanol’, J. Natl Cancer Inst., 37 (1966), pp. 217–232.
K. Nishida, A. Kobayashi and T. Nagahama, ‘Studies on Cycasin, a New Toxic Glycoside of Cycas revoluta Thunb, Part IV. Pharmacology of Cycasin’, Seikagaku, 28 (1956), pp. 218–23.
P.B. Magee, IVth Conference on the Toxicity of Cycads, Bethesda, Maryland, 1965.
G.L. Laqueur, Vth Conference on Cycad Toxicity, Univ. Miami, Florida, 1967.
E.E. Conn, ‘Cyanogenic Glycosides’, J. Agric. Fd Chem., 17 (1969), pp. 519–526.
R. Ferrando, M.M. Guilleux and A. Guerilott-Vinet, ‘Oestrogen Content of Plants as a Function of Conditions of Culture’, Nature, Lond., 192 (1961), p. 1205.
M.W. Carter, G. Matrone and W.G. Smart, ‘Effect of Genistin on Reproduction of the Mouse’, J. Nutr., 55 (1955), pp. 639–645.
R.B. Bradbury and D.E. White, ‘The Chemistry of Subterranean Clover. I. Isolation of Formononetin and Genistein’, J. Chem. Soc. (1951), pp. 3447–3449.
A.N. Booth, E.M. Bickoff and G.O. Kohler, ‘Estogen-like Activity in Vegetable Oil and Mill By-products’, Science, 131 (1960), pp. 1807–1808.
L.A. Griffiths and G.E. Smith, ‘Metabolism of Apigenin and Related Compounds in the Rat. Metabolite Formation In vivo and by the Intestinal Microflora In Vitro Biochem. J., 128 (1972), pp. 901–911.
A. Nilsson, J.L. Hill and H.L. Davies, ‘An In Vitro study of Formononetin and Biochanin A Metabolism in Rumen Fluid from Sheep’, Biochim. Biophys Acta, 148 (1967), pp. 92–98.
M.N. Cayen, A.L. Carter and R.H. Common, ‘The Conversion of Genistein to Equol in the Fowl’, Biochim. Biophys. Acta, 86 (1964), pp. 56–64.
M.N. Cayen, G. Tang and R.H. Common, ‘Urinary Conversion Products of Biochanin A and Formononetin in the Fowl’, Biochim. Biophys. Acta, 111 (1965), pp. 349–357.
T.J. Batterham, N.K. Hart, J.A. Lamberton and A.W.H. Braden, ‘Metabolism of Oestrogenic Isoflavones in Sheep’, Nature, Lond., 206 (1965), p. 509.
I.E. Liener, Toxic Constituents of Plant Foodstuffs, Chapter 2 ( Academic Press, London amp; New York, 1980 ).
W.G. Jaffe, ‘Haemagluttinins (Lectins)’, in I.E. Liener (ed.), Toxic Constituents of Plant Foodstuffs 2nd edn (Academic Press, London amp; New York, 1980 ), Chapter 3.
N.D. Noah, A.E. Bender, G.B. Reaidi and R.J. Gilbert, ‘Food Poisoning from Raw Red Kidney Beans’, Br. Med. J., 281 (1980), pp. 236–237.
P. Sisley and C. Porscher, ‘Du Sort Des Matières Colorantes Dans l’organisme Animal’, C. r. Hebd. Séanc. Acad. Sci., Paris, 152 (1911), p. 1062.
A.T. Fuller, ‘Is p-aminobenzenesulphonamide the Active Agent in Prontosil Therapy?’, Lancet, i (1937), p. 194.
J.L. Radomski and T.J. Mellinger, ‘The Absorption, Fate and Excretion in Rats of the Water-soluble Azo Dyes, FDamp;C Red No. 2, FDamp;C Red No. 4 and FDamp;C Yellow No. 6’, J. Pharm. exp. Ther., 136 (1962), pp. 259–266.
R. Jones, A.J. Ryan and S.E. Wright, ‘The Metabolism and Excretion of Tartrazine in the Rat, Rabbit and Man’, Fd Cosmet. Toxicol., 2 (1964), pp. 447–452.
H. Fore, R. Walker and L. Golberg, ‘Studies on Brown FK II. Degradative Changes Undergone In Vitro and In Vivo’ Fd Cosmet. Toxicol., 5 (1967), pp. 459–473.
R. Walker and A.J. Ryan, ‘Some Molecular Parameters Influencing Rate of Reduction of Azo Compounds by Intestinal Microflora’, Proceedings of Symposium on the Biological Oxidation of Nitrogen in Organic Molecules, (Taylor amp; Francis, London, 1971 ), pp. 171–174.
A.J. Ryan, J.J. Roxon and A. Sivayavirojana, ‘Bacterial Azo Reduction: a Metabolic Reaction in Mammals’, Nature, Lond., 219 (1968), pp. 854–855.
1.F. Gaunt, ‘Studies on the Relationship Between Heinz Bodies and Haemolysis in Laboratory Animals and the Evaluation of Heinz Body Production in Toxicological Investigations’, Ph.D. Thesis, University of London.
T. Watabe, N. Ozawa, Kobayashi and H. Kurata, ‘Reduction of Sulphonated Water-soluble Azo Dyes by Microorganisms from Human Faeces’, Fd Cosmet. Toxicol, 18 (1980), pp. 349–352.
A.J. Ryan and P.G. Welling, ‘The Metabolism and Excretion of Black PN in the Rat and Man’, Fd Cosmet. Toxicol, 8 (1970), pp. 487–497.
T. Honohan, F.E. Enderlin, B.A. Ryerson and T.M. Parkinson, ‘Intestinal Absorption of Polymeric Derivatives of the Food Dyes Sunset Yellow and Tartrazine in Rats’, Xenobiotica, 7 (1977), pp. 765–774.
A.J. Ryan and S.E. Wright, ‘The Excretion of Some Azo Dyes in Rat Bile’, J. Pharm. Pharmacol, 13 (1961), pp. 492–495.
P. Grasso and L. Golberg, ‘Problems Confronted and Lessons Learnt in the Safety Evaluation of Brown FK’, Fd Cosmet. Toxicol, 6 (1968), pp. 737–747.
R. Walker, P. Grasso and I.F. Gaunt, ‘Myotoxicity of Amine Metabolites from Brown FK’, Fd Cosmet. Toxicol, 8 (1970), pp. 539–542.
S. Vennitt and C.T. Bushell, ‘Mutagenicity of the Food Colour Brown FK and Constituents in Salmonella typhimurium’ Mutat. Res., 40 (1976), p. 309.
S.M. Hess and O.G. Fitzhugh, ‘Absorption and Excretion of Certain Triphenylmethane Colours in Rats and Dogs’, J. Pharmacol exp. Ther., 114 (1955), p. 38.
335.1.F. Gaunt, J. Hardy, I.S. Kiss and S.D. Gangolli, ‘Short-term Toxicity of Violet 6B (FDamp;C Violet No. 1) in the Rat’, Fd Cosmet. Toxicol., 12 (1974), pp. 11–19.
P. Grasso, J. Hardy, I.F. Gaunt, P.L. Mason and A. Lloyd, ‘Long-term Toxicity of Violet 6B (FDamp;C Violet No. 1) in Mice’, Fd Cosmet. Toxicol., 12 (1974), pp. 21–31.
J.P. Brown, A. Dorsky, F.E. Enderlin, R.L. Hale, V.A. Wright and T.M. Parkinson, ‘Synthesis of 14C–labelled FDamp;C Blue No. 1 (Brilliant Blue FCF) and its Intestinal Absorption and Metabolic Fate in Rats’, Fd Cosmet. Toxicol., 18 (1980), pp. 1–5.
J.C. Phillips, D. Mendis, C.T. Eason and S.D. Gangolli, ‘The Metabolic Disposition of 14C-labelled Green S and Brilliant Blue FCF in the Rat, Mouse and Guinea Pig’, Fd Cosmet. Toxicol., 18 (1980), pp. 7–13.
K.R. Butterworth, I.F. Gaunt, P. Grasso and S.D. Gangolli, ‘Acute and Short-term Toxicity Studies on Erythrosine BS in Rodents’, Fd Cosmet. Toxicol., 14 (1976), pp. 525–531.
E.J. Ethco and J.M. Webb, ‘The Fate of FDamp;C Blue No. 2 in Rats’, J. Pharmacol, exp. Ther., 154 (1966), pp. 384–389.
I.F. Gaunt, I.S. Kiss, P. Grasso and S.D. Gangolli, ‘Short-term Toxicity Study on Indigo Carmine in the Pig’, Fd Cosmet. Toxicol., 7 (1969), pp. 17–24.
L.W. Hazleton, T.W. Tusing, B.R. Zeitlin, R. Thiessen and M.K. Murer, ‘Toxicity of Coumarin’, J. Pharmacol, exp. Ther., 118 (1956), pp. 348–358.
A.J. Cohen, ‘Critical Review of the Toxicology of Coumarin with Special Reference to Interspecies Differences in Metabolism and Hepatotoxic Response and their Significance to Man’, Fd Cosmet. Toxicol., 17 (1979), pp. 277–289.
W.H. Shilling, R.F. Crampton and R.C. Longland, ‘Metabolism of Coumarin in Man’, Nature, Lond., 221 (1969), p. 664.
R.C. Longland, W.H. Shilling and S.D. Gangolli, ‘The Hydrolysis of Flavouring Esters by Artificial Gastro-intestinal Juices and Rat Tissue Preparations’, Toxicology, 8 (1977), pp. 197–204.
Fem A, Scientific Literature Review of Aliphatic Primary Alcohols, Aldehydes, Esters and Acids in Flavor Usage. (National Information Services/ Food amp; Drug Administration: Washington DC, 1974 ).
F. Grundschober, ‘Toxicological Assessment of Flavouring Esters’, Toxicology, 8 (1977), pp. 387–390.
J.C. Phillips, J. Kingsnorth, S.D. Gangolli and I.F. Gaunt, ‘Studies on the Absorption, Distribution and Excretion of Citral in the Rat and Mouse’, Fd Cosmet. Toxicol., 14 (1976), pp. 537–540.
H. Igimi, M. Nishimura, R. Kodama and H. Ide, Studies on the Metabolism of Mimonene (p-mentha-1,8-diene). 1. The Absorption, Distribution and Excretion of d-limonene in the Rat’, Xenobiotica, 4 (1974), pp. 77-84.
D.L.J. Opdyke, ‘Fragrance Raw Materials Monographs, 1-carvone’, Fd Cosmet. Toxicol, 11 (1973), pp. 1057–1058.
D.L.J. Opdyke, ‘Fragrance Raw Materials Monographs, d-carvone’, Fd Cosmet. Toxicol, 16, Suppl. 1 (1978), pp. 673–674.
G. Kennedy, O.E. Fancher and J.C. Calandra, ‘Metabolic Fate of Saccharin in the Albino Rat’, Fd Cosmet. Toxicol, 10 (1972), pp. 143–149.
R.L. Anderson, ‘Response of Male Rats to Sodium Saccharin Ingestion: Urine Composition and Mineral Balance’, Fd Cosmet. Toxicol., 17 (1979), pp. 195–200.
R.L. Anderson and J.J. Kirkland, ‘The Effect of Sodium Saccharin in the Diet on Caecal Microflora’, Fd Cosmet. Toxicol, 18 (1980), pp. 353–355.
Anon, ‘Cyclamate Still to the Fore’, Fd Cosmet. Toxicol., 10 (1972), pp. 237–243.
S. Kojima and H. Ichibagase, ‘Studies on Synthetic Sweetening Agents VIII. Cyclohexylamine, a Metabolite of Sodium Cyclamate’, Chem. Pharm. Bull. (Japan), 14 (1966), pp. 971–974.
J.S. Leahy, M. Wakefield and T. Taylor, ‘Urinary Excretion of Cyclo-hexylamine Following Oral Administration of Sodium Cyclamate to Man’, Fd Cosmet. Toxicol., 5 (1967), p. 447.
J.S. Leahy, T. Taylor and CJ. Rudd, ‘Cyclohexylamine Excretors Among Human Volunteers given Cyclamate’, Fd Cosmet. Toxicol, 5 (1967), pp. 595–6.
J. Watt and R. Marcus, ‘Effect of Degraded and Undegraded Alginates on the Colon of Guinea Pig’, Proc. Nutr. Soc., 30 (1971), p. 81A.
A.P. De Groot, H.P. Til, V.J. Feron, H.C. Dreef-van der Meulen and M.I. Willem s, ‘Two-year Feeding and Multigeneration Studies in Rats on Five Chemically Modified Starches’, Fd Cosmet. Toxicol, 12 (1974), pp. 651–663.
T.A. Anderson, L.J. Filer, S.J. Fomen, D.W. Andersen, R.L. Jensen and R.R. Rogers, ‘Digestibility of Acetylated Distarch Glycerol-Effect on Growth, Serum Biochemical Values and Body Composition of Pitman–Moore Miniature Pigs’, Fd Cosmet. Toxicol, 12 (1974), pp. 201–207.
M.L. Buttolph and P.M. Newberne, ‘Sub–chronic Studies in Rats Fed Octenyl Succinate-modified Food Starch’, Fd Cosmet. Toxicol, 18 (1980), pp. 357–362.
Joint FAO/WHO Expert Committee on Food Additives, ‘Tenth Report — Specifications for the Identity and Purity of Food Additives and their Toxicological Evaluation: Some Emulsifiers and Stabilizers and Certain Other Substances’, Tech. Rep. Ser. Wld Hlth Org., 373 (1967).
W.H. Braun, J.C. Ramsey and P.J. Gehring, ‘The Lack of Significant Absorption of Methyl Cellulose, Viscosity 3300 cp, from the Gastro–intestinal Tract Following Single and Multiple Oral Doses to the Rat’, Fd Cosmet. Toxicol, 12 (1974), pp. 373–376.
G. Feuer, ‘Metabolic Rate of 32P–labelled Emulsifier YN in Rats’, Fd Cosmet. Toxicol, 5 (1967), pp. 631–643.
J.C. Phillips, I.F. Gaunt and S.D. Gangolli, ‘Studies on the Metabolic Rats of 32P-labelled Emulsifier YN in the Mouse, Guinea Pig and Ferret’, Fd Cosmet. Toxicol, 13 (1975), pp. 23–30.
J.C. Phillips, J. Kingsnorth, I. Rowland, S.D. Gangolli and A.G. Lloyd, ‘Studies on the Metabolism of Sucrose Acetate Isobutyrate in the Rat and Man’, Fd Cosmet. Toxicol, 14 (1976), pp. 375–380.
J.W. Daniel, C.J. Marshall, H.F. Jones and D.J. Snodin, ‘The Metabolism of Beef Tallow Sucrose Esters in Rat and Man’, Fd Cosmet. Toxicol, 17 (1979), pp. 19–21.
R.S. Harris, H. Sherman and W.W. Jetter, ‘Nutritional and Pathological Effects of Sorbitan Monolaurate, Polyoxyethylene Sorbitan Monolaurate and Polyoxyethylene Monolaurate when Fed to Hamsters’, Arch. Biochem. Biophys., 34 (1951), pp. 259–265.
J.B. Allison, H.L. Rosenthal and A.H. Mills, ‘Effects of Nonionic Surface Active Agents on the Growth of Animals’, Fedn Proc., 11 (1952), p. 435.
A.R. Bourke and O.G. Fitzhugh, ‘High and Low Levels of Emulsifiers on Rat Intestinal Flora’, Fedn Proc., 12 (1953), p. 302.
P. Gyorgy, M. Forbes and H. Goldblatt, ‘Effect of Nonionic Emulsifiers on Experimental Dietary Injury of the Liver in Rats’, J. Agric. Fd Chem., 6 (1958), pp. 139–142.
P.H. Elworthy and J.F. Treon, ‘Physiological Activity of Non–ionic Surfactants’ in M. Schick (ed.), Nonionic Surfactants Surfactant Science Series ( Marcel Dekker, New York, 1967 ), vol. 1, p. 923.
B.R. Cater, K.R. Butterworth, I.F. Gaunt, J. Hooson, P. Grasso and S.D. Gangolli, ‘Short-term Toxicity Study of Sorbitan Monolaurate (Span 20) in Rats’, Fd Cosmet. Toxicol, 16 (1978), pp. 519–526.
A.J. Ingram, K.R. Butterworth, I.F. Gaunt, P. Grasso and S.D. Gangolli, ‘Short-term Toxicity Study of Sorbitan Mono-oleate (Span 80) in Rats’, Fd Cosmet. Toxicol., 16 (1978), pp. 535–542.
W.R. King, W.R. Michael and R.H. Coots, ‘Metabolism of Polyglycerol and Polyglycerol Esters’, Toxicol Appl. Pharmacol., 20 (1971), pp. 334–345.
W.R. King, W.R. Michael and R.H. Coots, ‘Metabolism of Stearoyl Propylene Glycol Hydrogen Succinate’, Toxicol Appl Pharmacol., 17 (1970), pp. 519–528.
P.P. Williams, ‘Metabolism of Synthetic Organic Pesticides by Anaerobic Microorganisms’, Residue Rev., 66 (1977), pp. 63–135.
R.C. Braunberg and V. Beck, ‘Interaction of DDT and the Gastro-intestinal Microflora of the Rat’, J. Agric. Fd Chem., 16 (1968), pp. 451–453.
F. Matsumura, K.C. Patil and G.M. Boush, ‘Formation of Photodieldrin by Microorganisms’, Science, 170 (1970), pp. 1206–1207.
J.D. Rosen, D.J. Sutherland and G.R. Lipton, ‘The Photochemical Isomerization of Dieldrin and Endrin and Effects on Toxicity’, Bull Environ. Contam. Toxicol, 1 (1966), pp. 133–140.
N.K. Van Allen and T. Kosuge, ‘Microbial Metabolism of the Fungicide 2,6-dichloro-4-nitroaniline’ J. Agric. Fd Chem., 22 (1974), pp. 221–224.
J.L. Emmerson and R.C. Anderson, ‘Metabolism of Trifluralin in the Rat and Dog’, Toxicol Appl Pharmacol, 9 (1966), pp. 84–97.
M.K. Ahmed, J.E. Casida and R.E. Nichols, ‘Animal Metabolism of Insecticides Bovine Metabolism of Organophosphorus Insecticides: Significance of Rumen Fluid with Particular Reference to Parathion’, J. Agric. Fd Chem., 6 (1958), pp. 740–746.
J.W. Daniel and J.C. Gage, ‘Absorption and Excretion of Diquat and Paraquat in Rats’, Br. J. Ind. Med., 23 (1966), pp. 133–136.
I.R. Rowland, P. Grasso and M.J. Davies, ‘The Methylation of Mercuric Chloride by Human Intestinal Bacteria’, Experientia, 31 (1975), p. 1064.
T. Edwards and G.C. McBride, ‘Biosynthesis and Degradation of Methyl-mercury in Human Faeces’, Nature, 253 (1975), pp. 462–464.
M. Abdulla, B. Arnesjo and I. Ihse, ‘Methylation of Inorganic Mercury in Experimental Jejunal Blind-loop’, Scand. J. Gastroenterol, 8 (1973), pp. 565–567.
I.R. Rowland and M.J. Davies, In Vitro Metabolism of Inorganic Arsenic by the Gastro-Intestinal Microflora of the Rat’, J. Appl Toxicol, 1 (1981), pp. 278–283.
I.R. Rowland, M.J. Davies and P. Grasso, ‘Metabolism of Methylmercuric Chloride by the Gastrointestinal Flora of the Rat’, Xenobiotica, 8 (1978), pp. 37–43.
I.R. Rowland, M.J. Davies and P. Grasso, ‘Volatilisation of Methyl-mercuric Chloride by Hydrogen Sulphide’, Nature, Lond., 265 (1977), pp. 718–719.
P.J. Craig and P.D. Bartlett, ‘The Role of Hydrogen Sulphide in Environ¬mental Transport of Mercury’, Nature, Lond., 275 (1978), pp. 635–637.
J.P. Moody and R.T. Williams, ‘The Fate of Arsanilic Acid and Acetyl– arsanilic Acid in Hens’, Fd Cosmet. Toxicol, 2 (1964), pp. 687–693.
J.P. Moody and R.T. Williams, ‘The Metabolism of 4-Hydroxy-3-Nitro-phenylarsonic Acid in Hens’, Fd Cosmet. Toxicol., 2 (1964), pp. 707–715.
J. Autian, ‘Toxicity and Health Threats of Phthalate Esters: Review of the Literature’, Envir. Hlth Perspec., 4 (1978), pp. 3–26.
L.G. Krauskopf, ‘Studies on the Toxicity of Phthalates via Ingestion’, Envir. Hlth Perspect., 3 (1973), pp. 61–72.
S.I. Shibko and H. Blumenthal, Toxicology of Phthalic Acid Esters Used in Food Packaging Material’, Envir. Hlth Perspec., 3 (1973), pp. 131–138.
D. Brown, K.R. Butterworth, P. Grasso and S.D. Gangolli, ‘Short-term Oral Toxicity Study of Diethyl Phthalate in the Rat’, Fd Cosmet. Toxicol, 16 (1978), pp. 415–422.
C.P. Carpenter, C.S. Weil and H.F. Smith, ‘Chronic Oral Toxicity of Di-(2-ethylhexyl)-Phthalate for Rats, Guinea Pigs and Dogs’, Arch. ind. Hyg. 8 (1953), pp. 219–226.
B.G. Lake, S.D. Gangolli, P. Grasso and A.G. Lloyd, ‘Studies on the Hepatic Effects of Orally Administered Di-(2-ethylhexyl)phthalate in the Rat’, Toxicol. Appl. Pharmacol 32 (1975), pp. 355–367.
B.R. Cater, M.W. Cook and S.D. Gangolli, ‘Zinc Metabolism and Dibutyl Phthalate Induced Testicular Atrophy in the Rat’, Biochem. Soc. Trans., 4 (1976), pp. 652–653.
T.J.B. Gray, K.R. Butterworth, I.F. Gaunt, P. Grasso and S.D. Gangolli, ‘Short-term Toxicity Study of Di-(2-ethylhexyl)phthalate in Rats’, Fd Cosmet. Toxicol, 15 (1977), pp. 389–399.
P.W. Albro, R. Thomas and L. Fishbein, ‘Metabolism of Diethylhexyl Phthalate by Rats. Isolation and Characterization of the Urinary Metabolites’, J. Chromatog., 76 (1973), pp. 321–330.
P.W. Albro and Moore, ‘Identification of the Metabolites of Simple Phthalate Diesters in Rat Urine’, J. Chromatog., 94 (1974), pp. 209–218.
405.1.R. Rowland, R.C. Cottrell and J.C. Phillips, ‘Hydrolysis of Phthalate Esters by the Gastrointestinal Contents of the Rat’, Fd Cosmet. Toxicol, 15 (1977), pp. 17–21.
B.G. Lake, J.C. Phillips, J.C. Linnell and S.D. Gangolli, ‘The In Vitro Hydrolysis of Some Phthalate Diesters by Hepatic and Intestinal Preparations from Various Species’, Toxicol, appl Pharmacol, 39 (1977), pp. 239–248.
P.W. Albro and R.O. Thomas, ‘Enzymatic Hydrolysis of Di-(2-ethylhexyl)phthalate by Lipases’, Biochim. Biophys. Acta, 306 (1973), pp. 380–390.
J.W. Daniel and H. Bratt, ‘The Absorption, Metabolism and Tissue Distribution of Di-(2-ethylhexyl)phthalate in Rats’, Toxicology, 2 (1974), pp. 51–65.
R. Walker, ‘Naturally Occurring Nitrate/Nitrite in Foods’, J. Sci. Fd Agric., 26 (1975), pp. 1735–1742.
P.F. Swann, ‘The Toxicology of Nitrate, Nitrite and N-nitroso Compounds’, J. Sci. Fd Agric., 26 (1975), pp. 1761–1770.
World Health Organisation, Environmental Health Criteria V. Nitrates, Nitrites and N-Nitroso Compounds ( WHO, Geneva, 1977 ).
World Health Organisation, International Drinking Water Standards, 3rd edn ( WHO, Geneva, 1971 ).
Z. Knotek and P. Schmidt, ‘Pathogenesis, Incidence and Possibilities of Preventing Alimentary Nitrate Methaemoglobinaemia in Infants’, Pediatrics, 34 (1964), p. 78.
J. Varady and G. Szanto, ‘Untersuchunger ubex den Nitritgehalt des Speichels, des Magensafts und des Hams’, Klin. Wschr., 19 (1940), p. 200.
P.W. Goaz, H.A. Biswell and M.C. Miller, ‘On the Addition of a Variable to a Previously Optimized System for the Measurement of Nitrate-Nitrite Reductase Activity in Salivary Sediment’, J. Dent. Res., 43 (1964), p. 380.
H.-J. Kuhn, ‘Untersuchung über den Nitritgehalt in Speichel, in Abhängigkeit von Zahnzustand und Zahnpflege’, Thesis, Medical Faculty; University of Heidelberg, 1964.
S.R. Tannenbaum, A.J. Sinskey, M. Weisman and W. Bishop, ‘Nitrite in Human Saliva. Its Possible Relation to Nitrosamine Formation’, J. Natl Cancer Inst., 53 (1974), pp. 79–84.
S.R. Tannenbaum, M. Weisman and D. Fett, ‘The Effect of Nitrate Intake On Nitrite Formation in Human Saliva’, Fd Cosmet. Toxicol, 14 (1976), pp. 549–552.
B. Spiegelhalder, G. Eisenbrand and R. Preussman, ‘Influence of Dietary Nitrate on Nitrite Content of Human Saliva: Possible Relevance to In Vivo Formation of N–nitroso Compounds’, Fd Cosmet. Toxicol, 14 (1976), pp. 545–548.
M. Harada, H. Ishiwata, Y. Nakamura, A. Tanimura and M. Ishidate, ‘Studies on In Vivo Formation of Nitro so Compounds. I. Changes of Nitrite and Nitrate Concentration in Human Saliva After Ingestion of Salted Chinese Cabbage’, J. FdHyg. Soc. Japan, 16 (1975), p. 11.
H. Ishiwata, P. Boriboon, Y. Nakamura, M. Harads, A. Tanimura and M. Ishidate, ‘Studies on In Vivo Formation of Nitroso Compounds. II. Changes of Nitrite and Nitrate Concentrations in Human Saliva After Ingestion of Vegetables or Sodium Nitrate’, J. Fd Hyg. Soc. Japan, 16 (1975), p. 19.
D. Klein, N. Gaconnet, B. Poullain and G. Debry, ‘Effet d’une charge en Nitrate sur le Nitrite Salivaire et Gastrique Chez l’Homme’, Fd Cosmet. Toxicol, 16 (1978), pp. 111–115.
C.L. Walters, C.S. Dyke, M.J. Saxby and R. Walker, ‘Nitrosation of Food Amines Under Stomach Conditions’ in E.A. Walker, P. Bogovski and L. Gricuite (eds.), Environmental Nnitroso Compounds — Analysis and Formation, IARC Scient, Publ. No. 14, ( IARC, Lyon, France, 1976 ), p. 181.
C.L. Walters, F.P.A. Carr, C.S. Dyke, M.J. Saxby, P.L.R. Smith and R. Walker, ‘Nitrite Sources and Nitrosamine Formation In Vitro and In Vivo’ Fd Cosmet. Toxicol 17 (1979), pp. 473–479.
J.W. White, ‘Relative Significance of Dietary Sources of Nitrate and Nitrite’, J. Agric. Fd Chem., 23 (1975), pp. 886–891.
S.S. Mirvish, ‘Kinetics of N-nitrosation Reactions in Relation to Tumori-genesis Experiments with Nitrite plus Amines or Ureas’ in N-nitroso Compounds — Analysis and Formation. IARC Scient. Publ. No. 3 ( IARC, Lyon, France, 1972 ), pp. 104–108.
P.A.S. Smith and R.N. Loeppky, ‘Nitrosative Cleavage of Tertiary Amines’ J. Am. Chem. Soc., 89 (1967),pp. 1147–1157.
W. Lijinsky, E. Conrad and R. Van de Bogart, ‘Carcinogenic Nitrosamines Formed by Drug/Nitrite Interactions’, Nature, (Lond.), 239 (1972), pp. 165–167.
W. Lijinsky, E. Conrad and R. Van de Bogart, ‘Formation of Carcinogenic Nitrosamines by Interaction of Drugs with Nitrite’ in N-nitroso Compounds — Analysis and Formation, IARC Scient. Publ No. 3 ( IARC, Lyon, France, 1972 ), pp. 130–133.
W. Lijinsky and M. Greenblatt, ‘Carcinogen Dimethylnitrosamine Produced In Vivo from Nitrite and Aminopyrine’, Nature, New Biology, 236 (1972), pp. 177–8.
K.I. Hildrum, R.A. Scanlan and L.M. Libbey, ‘Identification of γ-Butenyl-(ß-propenyl) Nitrosamine, the Principal Volatile Nitrosamine Formed in the Nitrosation of Spermidine or Spermine’, J. Agric. Fd Chem., 23 (1975), pp. 34–37.
E. Boyland and S.A. Walker, ‘Effect of Thiocyanate on Nitrosation of Amines’, Nature (Lond.), 248 (1974), pp. 601–2.
D. Lathia and M. Brendebach, ‘Influence of Thiocyanate Ions on Starch-Iodine Reaction Used for Estimation of α-amylase Activity’, Clin. Chim. Acta, 82 (1978), p. 209.
B.C. Challis and C.D. Bartlett, ‘Possible Co-carcinogenic Effects of Coffee Constituents’, Nature (Lond.), 254 (1975), pp. 532–3.
E.A. Walker, B. Pignatelli and M. Castegnaro, ‘Effects of Gallic Acid on Nitrosamine Formation’, Nature (Lond.), 258 (1975), p. 176.
D. Lathia and U. Freutzen, ‘Synergistic Effects of Chlorogenic Acid and Thiocyanate on In Vitro Formation of N-me thy l-N-nitro so aniline under Physiological Conditions’, Fd Comet. Toxicol 18 (1980), pp. 463–465.
J. Sander, F.U. Schweinsberg and H.P. Menz, ‘Untersuchungen über die Entstehung Cancerogener Nitrosamine im Magen’, Hoppe Seylers Z. Physiol. Chem., 349 (1968), pp. 1691–1697.
N.P. Sen, D.C. Smith and L.A. Schwinghamer, ‘Formation of N-nitro-samines from Secondary Amines and Nitrite in Human and Animal Gastric Juice’, Fd Comet. Toxicol 7 (1969), pp. 301–307.
C.L. Walters, B.E. Newton, D.V. Parke and R. Walker, ‘The Precursors of N-nitroso Compounds in Foods’, in N-nitroso Compounds in the Environment, IARCScient. Publ. No. 9, ( IARC, Lyon, France, 1974 ), p. 223.
J. La Bar and J. Sander, ‘Carcinogenic N-nitroso-dimethylamine from the Reaction of the Analgesic Amidopyrine and Nitrite Extracted from Foodstuffs’, Z. Krebsforsch., 84 (1975), pp. 299–310.
J. Sander, ‘Nitrosaminsynthese Durch Bakterien’, Hoppe Seylers Z. Physiol. Chem., 349 (1968), pp. 429–432.
W.S.J. Ruddell, E.S. Bone, M.J. Hill, L.M. Blendis and C.L. Walters, ‘Gastric-juice Nitrite. A Risk Factor for Cancer in the Hypochlorhydric Stomach?’, Lancet, ii (1976), p. 1037.
M.J. Hill, ‘Bacterial Metabolism and Human Carcinogenesis’, Br. Med. Bull, 36 (1980), pp. 89–94.
H. Druckrey, D. Steinhoff, H. Beuthner, H. Schneider and P. Klaerner, ‘Screening of Nitrite for Chronic Toxicity in Rats’, Arzneimittel-Forsch., 13 (1963), pp. 320–323.
M.A. Friedman and H. McClanahan, ‘Biosynthesis of Nitrosamines: Reaction of Sodium Nitrite with Dimethylglycine Produces Nitro so sarco sine’, Proc. Am. Assoc. Cancer Res., 14 (1973), p. 127.
J. Sander, F.U. Schweinsberg, M. Ladenstein, H. Benzing and S.H. Wahl, ‘Messung der Renalen Nitrosaminausscheidung am Hund zum Nachweis Einer Nitrosaminbildung In Vivo’ Hoppe Seylers Z. Physiol. Chem., 354 (1973), pp. 384–390.
B.S. Alam, I.B. Saporoschetz and S.S. Epstein, ‘Formation of N-nitro-sopiperidine from Piperidine and Sodium Nitrite in the Stomach and the Isolated Intestinal Loop of the Rat’, Nature (Lond.), 232 (1971), pp. 116–8.
B.S. Alam, I.B. Saporoschetz and S.S. Epstein, ‘Synthesis of Nitroso-piperidine from Nitrate and Piperidine in the Gastro-intestinal Tract of the Rat’, Nature (Lond.), 232 (1971), pp. 199–200.
M. Greenblatt, V.R.C. Kommineni, E. Conrad, L. Wallcave and W. Lijinsky, In Vivo Conversion of Phenmetrazine into its N–nitroso Derivative’, Nature New Biology, 236 (1972), pp. 25–6.
J. Sander and F. Seif, ‘Bakterielle Reduktion von Nitrat im Magen des Menschen als Ursache einer Nitro samin-Bildung’, Arzneimittel-Forsch., 19 (1969), pp. 1091–1093.
J. Wang, T. Kakizoe, P. Dion, R. Furrer, A.J. Varghese and W.R. Bruce, ‘Volatile Nitrosamines in Normal Human Faeces’, Nature (Lond.), 276 (1978), pp. 280–1.
D.H. Fine, R. Ross, D.P. Rounbehler, A. Silvergleid and L. Song, ‘Formation In Vivo of Volatile N–nitrosamines in Man After Ingestion of Cooked Bacon and Spinach’, Nature (Lond.), 265 (1977), pp. 753–755.
M. Yamamoto, T. Yamada and A. Tanimura, ‘Volatile Nitrosamines in Human Blood Before and After Ingestion of a Meal Containing High Concentrations of Nitrate and Secondary Amines’, Fd Cosmet. Toxicol, 18 (1980), pp. 297–299.
J. Sander and G. Bürkle, ‘Induktion maligner Tumoren bei Ratten Durch Gleichzeitige Verfütterung von Nitrit und Seckundären Aminen’, Z. Krebs forsch., 73 (1969), p. 54.
W. Lijinsky, H.W. Taylor, C. Snyder and P. Nettesheim, ‘Malignant Tumours of Liver and Lung in Rats Fed Aminopyrine or Heptamethyleneimine Together with Nitrite’, Nature, Lond., 244 (1973), p. 176.
R.C. Shank and P.M. Newberne, ‘Dose Response Study of the Carcinogenicity of Dietary Sodium Nitrite and Morpholine in Rats and Hamsters’, Fd Cosmet. Toxicol., 14 (1976), pp. 1–8.
M. Greenblatt, S. Mirvish and B.T. So, ‘Nitroamine Studies: Induction of Lung Adenomas by Concurrent Administration of Sodium Nitrite and Secondary Amines in Swiss Mice’, J. Natn. Cancer Inst., 46 (1971), p. 1029.
M.J. Hill, G. Hawksworth and G. Tattersall, ‘Bacteria, nitrosamines and Cancer of the Stomach’, Br. J. Cancer, 28 (1978), p. 562.
Joint FAO/WHO Expert Committee on Food Additives — Fifteenth Report, ‘Evaluation of Food Additives. Some Enzymes, Modified Starches and Certain other Substances: Toxicological Evaluations and Specifications and a Review of the Technological Efficacy of some Antioxidants’, Tech. Rep. Ser. Wld Hlth Org., 488 (1972).
T.B. Morgan and J. Yudkin, ‘The Vitamin-sparing Action of Sorbitol’, Nature, Lond., 180 (1957), p. 543.
N. Hosoya, ‘Effect of Sugar Alcohol on the Intestine’, IXth Interational Congress of Nutrition, Mexico City, 1972.
I.F. Gaunt, A.G. Lloyd, P. Grasso, S.D. Gangolli and K.R. Butterworth, ‘Short-term Study in the Rat on Two Caramels Produced by Variations of the ‘Ammonia Process’, Fd Cosmet. Toxicol., 15 (1977), pp. 509–521.
I.F. Gaunt, F.M.B. Carpanini, I.S. Kiss and P. Grasso, ‘Short-term Toxicity of Yellow 2G in Rats’, Fd Cosmet. Toxicol., 9 (1971), p. 343.
I.R. Rowland, A.K. Mallett and A. Wise, ‘A Comparison of the Activity of Five Microbial Enzymes in Cecal Content from Rats, Mice, and Hamsters, and Response to Dietary Pectin’, Toxicol. Appl. Pharmacol, 69 (1983), pp. 143–148.
K. Loeschke, E. Uhlich and R. Halbach, ‘Caecal Enlargement Combined with Sodium Transport Stimulation in Rats Fed Polyethylene Glycol’, Proc. Soc. exp. Biol. Med., 142 (1973), pp. 96–102.
J.F. Moinuddin and H.W.T. Lee, ‘Alimentary, Blood and Other Changes due to Feeding MnSO4, MgSO4 and Na2SO4’, Am. Physiol, 199 (1960), pp. 77–83.
L.J. Filer, ‘Modified Food Starches for Use in Infant Foods’, Nutr. Rev., 29 (1971), pp. 55–59.
R. Walker, ‘Some Observations on the Phenomenon of Caecal Enlargement in the Rat’ in C.L. Galli, R. Paoletti and G. Vettorazzi (eds.), Chemical Toxicology of Food ( Elsevier/North Holland, Amsterdam, 1978 ), pp. 339–348.
R. Walker and E.A. El Harith, ‘Nutritional and Toxicological Properties of Some Raw and Modified Starches’, Ann. Nutr. Alim., 32 (1978), pp. 671–679.
D.C. Leegwater, A.P. de Groot and M. van Kalmthout-Kuyper, ‘The Aetiology of Caecal Enlargement in the Rat’, Fd Cosmet. Toxicol., 12 (1974), pp. 687–697.
E.A. El Harith, J.W.T. Dickerson and R. Walker, ‘Potato Starch and Caecal Hypertrophy in the Rat’, Fd Cosmet. Toxicol 14 (1976), pp. 115–121.
Anon, ‘Recent Development in the Sulphite Field’, Fd Cosmet. Toxicol., 4 (1966), pp. 187–189.
H.P. Til, V. J. Feron and A.P. de Groot, ‘Toxicity of Sulphite. I. Long-term Feeding and Multigeneration Studies in Rats’, Fd Cosmet. Toxicol., 10 (1972), pp. 291–310.
H.P. Til, V.J. Feron, A.P. de Groot and P. Van der Wal, ‘Toxicity of Sulphite. II. Short-and Long-term Studies in Pigs’, Fd Cosmet Toxicol., 10 (1972), pp. 463–473.
V.J. Feron and P. Wensvoort, ‘Gastric Lesions in Rats after the Feeding of Sulphite’, Pathol. Eur., 7 (1972),pp. 103–111.
M. Glicksman, Gum Technology in the Food Industry ( Academic Press, London, 1969 ), p. 214.
S. Bonflls, ‘Carrageenan and the Human Gut’, Lancet, ii (1970), p. 414.
P. Grasso, M. Sharratt, F.M.B. Carpanini and S.D. Gangolli, ‘Studies on Carrageenan and Large Bowel Ulceration in Mammals’, Fd Cosmet. Toxicol., 11 (1973), p. 555.
M. Sharratt, P. Grasso, F.M.B. Carpanini and S.D. Gangolli, Lancet, ii (1970), p. 932.
P. Grasso, S.D. Gangolli, K.R. Butterworth and M.G. Wright, ‘Studies on Degraded Carrageenan in Rats and Guinea Pigs’, Fd Cosmet. Toxicol, 13 (1975), pp. 195–201.
K.A. Pittman, L. Golberg and F. Coulston, ‘Carrageenans: the Effect of Molecular Weight and Polymer Type on its Uptake, Excretion and Degradation in Animals’, Fd Cosmet. Toxicol, 14 (1976), pp. 85–93.
J. Watt and R. Marcus, ‘Ulcerative Colitis in Rabbits Fed Degraded Carrageenan’, J. Pharm. Pharmacol, 22 (1979), p. 130.
J. Watt and R. Marcus, ‘Carrageenan–induced Ulceration of the Large Intestine in the Guinea Pig’, Gut, 12 (1971), pp. 164–171.
J. Watt and R. Marcus, ‘Ulcerative Colitis in the Guinea Pig Caused by Seaweed Extract’, J. Pharm. Pharmacol, 21 (1969), pp. 1875–1885.
P. Abraham, R.J. Fabian, L. Golberg and F. Coulston, ‘Role of Lysosomes in Carrageenan Induced Caecal Ulceration’, Gastroenterology, 67 (1974), pp. 1169–1181.
A.B. Onderdonk and J.G. Bartlett, ‘Bacteriological Studies of Experimental Ulcerative Colitis’, Am. J. Gin. Nutr., 32 (1978), pp. 258–265.
Anon, ‘Carrageenan Under Scrutiny’, BIBRA Bulletin, 13 (1974), pp. 132–134.
M.S. Losowki and B.E. Walker, ‘Liver Disease and Malabsorption’, Gastroenterology, 56 (1969), pp. 589–600.
Rights and permissions
Copyright information
© 1983 D.M. Conning and A.B.G. Lansdown Croom Helm Ltd
About this chapter
Cite this chapter
Rowland, I.R., Walker, R. (1983). The Gastrointestinal Tract in Food Toxicology. In: Toxic Hazards in Food. Croom Helm Applied Biology Series. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-9769-8_6
Download citation
DOI: https://doi.org/10.1007/978-1-4615-9769-8_6
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4615-9771-1
Online ISBN: 978-1-4615-9769-8
eBook Packages: Springer Book Archive