Aflatoxin Occurrence in 1985–86 Corn from Venezuela and its Destruction by the Extrusion Process

  • Amaury J. Martinez
  • C. Monsalve


Mycotoxins are compounds produced by fungi growing in agricultural commodities. Several mycotoxins occur in grains, cereals, etc.; however, aflatoxins, carcinogenic metabolites produced by Aspergillus flavus and Aspergillus parasiticus, have been found in significant levels and incidences in many different regions of the world. Aflatoxin B1 and B2 have been more frequently found in corn than aflatoxin G1 and G2.


Extrusion Process Corn Meal Aspergillus Parasiticus Corn Sample Trifluoracetic Acid 
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  1. Cardenas, O.O. and Plata, O. (1986). Evaluacion de aflatoxina B1 en maiz del Departamento del Meta. Segundo Semestre de 1982. Tecnologia, 26 (159), 34–42.Google Scholar
  2. Comision Venezolana de Normas Industriales. (1980). Determinacion de humedad en granos y cereales. COVENIN, 1553–80.Google Scholar
  3. Comision Venezolana de Normas Industriales (1982). Cereales, oleaginosas y productos derivados. Metodo de muestreo COVENIN No. 612–82.Google Scholar
  4. Comision Venezolana de Normas Industriales (1983). Maíz para uso industrial. COVENIN, 1935–83.Google Scholar
  5. Diener, U.L. (1976). Environmental factors influencing mycotoxin formation in foods. Proc. Am. Phytopath. Soc. 3, 126–129.Google Scholar
  6. Martinez, A.J. and Alvarado, R. (1987). An evaluation of four mycological media for enumeration of mold and yeast in grains and seeds. In: Biodeterioration Research I, pp. 165–174. ( G.C. Llewellyn and C.E. O.Rear, eds.). Plenum Press. New York.CrossRefGoogle Scholar
  7. Martinez, A.J., Trucksess, M.W. and Park, D.L. (1987). Analysis of Venezuelan corn for aflatoxin and Aspergillus flavus or Aspergillus parasiticus contamination. In: Biodeterioration Research I. pp. 111–118. ( G.C. Llewellyn and C.E. O.Rear, eds.). Plenum Press. New York.CrossRefGoogle Scholar
  8. Mazzani, C. (1983). Micoflora de granos de mani, maiz y cacao almacenados en Venezuela. (Trabajo de Ascenso). Facultad de Agronomia. Universidad Central de Venezuela.Google Scholar
  9. Nishijima, M. (1984). Toxigenic fungi. In: “Proceedings of the mycotoxin symposium”. Developments in Food Science 7. ( H. Kunata and Y. Ueno, eds.). Elsevier pub. Amsterdam. The Netherlands.Google Scholar
  10. Official Methods of Analysis. (1980). 13th. Ed. Association of Official Analytical Chemists. Arlington, Va.Google Scholar
  11. Rojas, M.M. and Mieres, P.A. (1985). Niveles de contaminacion poraflatoxinas en muestras de harinas de maiz precocidas. Abstracts of X XXV Annual Meeting of ASOVAC. Venezuela.Google Scholar
  12. Roosen, G.P. (1986). Aspectos especificos de la comercializacion decereales en Venezuela: Transporte, recepcion, secado y almacenamiento. In: Simposio sobre la comercializacion de cereales en Venezuela. IESA. Caracas, Venezuela.Google Scholar
  13. Sanchis, V., Sala, N., Palomes, A., Santa Marina, P. and Burdaspal, P.A. (1986). Occurence of aflatoxin and aflatoxigenic molds in foods and feed in Spain. J. Food Prot. 49, 445–448.Google Scholar
  14. Scott, P.M. (1984). Effects of food processing on mycotoxins. J. Food. Prot. 47, 489–499.Google Scholar
  15. Siegel, S. (1978). Estadistica no Parametrica Aplicada alas Ciencias de la Conducta. Edit. Trillas. Mexico.Google Scholar
  16. Trucksess, M.W., Brumley, W.C. and Nesheim, S. (1984). Rapid quantitation and confirmation of aflatoxin in corn and peanut butter, using a disposable silica gel column, thin layer chromatography and gas chromatography/Mass spectrometry. J. Assoc. Off. Anal. Chem. 67, 973–975.Google Scholar
  17. Watson, D.H. (1984). Survey and control of mycotoxins in animal and human food. Chem. Ind. 6 Aug.Google Scholar

Copyright information

© Plenum Press, New York 1989

Authors and Affiliations

  • Amaury J. Martinez
    • 1
  • C. Monsalve
    • 1
  1. 1.Instituto de Ciencia y Tecnologia de AlimentosUniversidad Central de VenezuelaCaracasVenezuela

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