Abstract
Concentrations of selected essential (Ca, Mg, Zn, Se, Fe, Cu) and toxic elements (As, Cd, Hg, Pb, Ni) were analyzed in milk of sheep (300 ewes of Tsigai breed) depending on lactation stage in area of Slovakia with slightly disturbed environment. To determine the real state of environment in the selected area, the study was extended to include analyses of the soil and animal feed (green pastures). Analyses of elements in soil were performed using ICP-OES and elements in feed and milk using the AAS-HG, AES-ICP, AAS-ETA, AAS-AMA, and AAS-F. Analyses of soil samples and feed samples revealed the presence of toxic elements in this area, but their concentrations did not affect concentrations in milk and were below the LOQ (limit quantification). Significant decrease of Ca as well as Mg and Zn (P < 0.05) concentrations was found between early and middle stages of lactation and significant increase between the middle and late of lactation period. Concentration of Se and Fe in milk during the lactation significantly increased (P < 0.05) in the last stage of lactation. Concentration of Cu in milk of sheep was below LOQ during all stages of lactation. In the milk of sheep during the lactation stages, the significant positive correlations between concentrations of the following elements were observed: Ca-Mg, Fe-Se, Ca-Se, Ca-Fe, Mg-Se, Mg-Fe, Ca-Zn, and Mg-Zn. The low concentrations, below LOQ of selected toxic elements in milk of ewes, indicate the safety of this milk for direct consumption or for further food processing.
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References
Haenlein GFW (2004) Goat milk in human nutrition. Small Rumin Res 51(2):155–163. https://doi.org/10.1016/j.smallrumres.2003.08.010
Ceballos LS, Morales ER, de la Torre AG, Castro JD, Martínez LP, Sampelayo MRS (2009) Composition of goat and cow milk produced under similar conditions and analyzed by identical methodology. J Food Compos Anal 22(4):322–329. https://doi.org/10.1016/j.envres.2004.11.002
Kapila R, Kavadi PK, Kapila S (2013) Comparative evaluation of allergic sensitization to milk proteins of cow, buffalo and goat. Small Rumin Res 112(1–3):191–198. https://doi.org/10.1016/j.smallrumres.2012.11.028
Licata P, Trombetta D, Cristani M, Giofre F, Martino D, Calo M, Naccari F (2004) Levels of “toxic” and “essential” metals in samples of bovine milk from various dairy farms in Calabria, Italy. Environ Int 30(1):1–6. https://doi.org/10.1016/S0160-4120(03)00139-9
Tunegová M, Toman R, Tančin V, Janíček M (2018) Occurrence of selected metals in feed and sheep’s milk from areas with different environmental burden. Potravinarstvo 12(1). https://doi.org/10.5219/920
Beikzadeh S, Ebrahimi B, Mohammadi R, Beikzadeh M, Asghari-Jafarabad M, Foroumandi E (2019) Heavy metal contamination of milk and milk products consumed in Tabriz. Curr Nutr Food Sci 15(5):484–492. https://doi.org/10.2174/1573401314666180509130851
Flynn A (1992) Minerals and trace elements in milk. Adv Food Nutr Res 36:209–252 Academic Press
Llobet JM, Falco G, Casas C, Teixido A, Domingo JL (2003) Concentrations of arsenic, cadmium, mercury, and lead in common foods and estimated daily intake by children, adolescents, adults, and seniors of Catalonia, Spain. J Agric Food Chem 51(3):838–842. https://doi.org/10.1021/jf020734q
Miedico O, Tarallo M, Pompa C, Chiaravalle AE (2016) Trace elements in sheep and goat milk samples from Apulia and Basilicata regions (Italy): valuation by multivariate data analysis. Small Rumin Res 135:60–65. https://doi.org/10.1016/j.smallrumres.2015.12.019
Caggiano R, Sabia S, D’Emilio M, Macchiato M, Anastasio A, Ragosta M, Paino S (2005) Metal levels in fodder, milk, dairy products, and tissues sampled in ovine farms of southern Italy. Environ Res 99(1):48–57. https://doi.org/10.1016/j.envres.2004.11.002
González-Montaña JR, Senís E, Gutiérrez A, Prieto F (2012) Cadmium and lead in bovine milk in the mining area of the Caudal River (Spain). Environ Monit Assess 184(7):4029–4034
Norouzirad R, González-Montaña JR, Martínez-Pastor F, Hosseini H, Shahrouzian A, Khabazkhoob M, Ali Malayeri F, Moallem Banadani H, Paknejad M, Foroughi-nia B, Fooladi M (2018) Lead and cadmium levels in raw bovine milk and dietary risk assessment in areas near petroleum extraction industries. Sci Total Environ 635:308–314. https://doi.org/10.1016/j.scitotenv.2018.04.138
Hilali M, El-Mayda E, Rischkowsky B (2011) Characteristics and utilization of sheep and goat milk in the Middle East. Small Rumin Res 101(1–3):92–101. https://doi.org/10.1016/j.smallrumres.2011.09.029
Rahimi E (2013) Lead and cadmium concentrations in goat, cow, sheep, and buffalo milks from different regions of Iran. Food Chem 136(2):389–391. https://doi.org/10.1016/j.foodchem.2012.09.016
Najarnezhad V, Akbarabadi M (2013) Heavy metals in raw cow and ewe milk from north-east Iran. Food Addit Contam, Part B 6(3):158–162. https://doi.org/10.1080/19393210.2013.777799
Lane EA, Canty MJ, More SJ (2015) Cadmium exposure and consequence for the health and productivity of farmed ruminants. Res Vet Sci 101:132–139. https://doi.org/10.1016/j.rvsc.2015.06.004
JECFA (2011) Joint WHO/FAO Expert Committee on Food Additives. Evaluation of certain food additives and contaminants. 73 Report, 2010, Geneva, Switzerland; WHO technical report series. 237 pp
EFSA (2012) European food safety authority; cadmium dietary exposure in the European population. EFSA J 10(1):37pp
Suttle NF (2010) Mineral nutrition of livestock. Cabi
Kazi TG, Jalbani N, Baig JA (2009) Assessment of toxic metals in raw and processed milk samples using electrothermal atomic absorption spectrophotometer. Food Chem Toxicol 47:2163–2169
Bohuš P, Klinda J (2008) Environmental regionalization of Slovak Republic, MŽPSR and SAŽP. http://www.minzp.sk/files/environmentalna-regionalizacia-sr.pdf. Accessed 31 July 2020
Pšenková M, Toman R, Tančin V (2020) Concentrations of toxic metals and essential elements in raw cow milk from areas with potentially undisturbed and highly disturbed environment in Slovakia. Environ Sci Pollut Res 27(21):26763–26772. https://doi.org/10.1007/s11356-020-09093-5
Iftikhar B, Arif S, Siddiqui S, Khattak R (2014) Assessment of toxic metals in dairy milk and animal feed in Peshawar, Pakistan. Biotechnol J Int 883–893. https://doi.org/10.9734/BBJ/2014/9939
Khattak RA, Haq MU, Puno HK, Saif MS (2004) Forages induced dairy milk contamination. J Chem Soc Pak 26:279–285
Raj GB, Patnaik MC, Babu PS, Kalakumar B, Singh MV, Shylaja J (2006) Heavy metal contaminants in water-soil-plant-animal continuum due to pollution of Musi River around Hyderabad in India. Indian J Anim Sci 76(2):131–133
Antunović Z, Bogut I, Sencic D, Katic M, Mijic P (2005) Concentrations of selected toxic elements (cadmium, lead, mercury and arsenic) in ewe milk in dependence on lactation stage. Czeh J Anim Sci 50(8):376
Anastasio A, Caggiano R, Macchiato M, Paolo C, Ragosta M, Paino S, Cortesi ML (2006) Heavy metal concentrations in dairy products from sheep milk collected in two regions of southern Italy. Acta Vet Scand 47(1):1–6. https://doi.org/10.1186/1751-0147-47-69
Houpert P, Mehennaoui S, Federspiel B, Kolf-Clauw M, Joseph-Enriquez B, Milhaud G (1997) Transfer of cadmium from feed to ewe food products: variations in transfer induced by lead and zinc. Environ Sci 5:127–138
Patra RC, Swarup D, Kumar P, Nandi D, Naresh R, Ali SL (2008) Milk trace elements in lactating cows environmentally exposed to higher level of lead and cadmium around different industrial units. Sci Total Environ 404(1):36–43. https://doi.org/10.1016/j.scitotenv.2008.06.010
Pilarczyk R, Wójcik J, Czerniak P, Sablik P, Pilarczyk B, Tomza-Marciniak A (2013) Concentrations of toxic heavy metals and trace elements in raw milk of Simmental and Holstein-Friesian cows from organic farm. Environ Monit Assess 185(10):8383–8392. https://doi.org/10.1007/s10661-013-3180-9
Meshref AM, Moselhy WA, Hassan NEHY (2014) Heavy metals and trace elements levels in milk and milk products. J Food Meas Charact 8(4):381–388
Król J, Litwiñczuk Z, Brodziak A, Kêdzierska-Matysek M (2012) Content of selected essential and potentially toxic trace elements in milk of cows maintained in eastern Poland. J Elem 17(4). https://doi.org/10.5601/jelem.2012.17.4.04
Rey-Crespo F, Miranda M, López-Alonso M (2013) Essential trace and toxic element concentrations in organic and conventional milk in NW Spain. Food Chem Toxicol 55:513–518. https://doi.org/10.1016/j.fct.2013.01.040
Tunegová M, Toman R, Tančin V (2016) Monitoring of selected essential elements and contaminants at sheep and cow farms in eastern Slovakia. J Cent Eur Agric 17(4):1221–1232. https://doi.org/10.5513/JCEA01/17.4.1834
Bilandžić N, Đokić M, Sedak M, Solomun B, Varenina I, Knežević Z, Benić M (2011) Trace element levels in raw milk from northern and southern regions of Croatia. Food Chem 127(1):63–66. https://doi.org/10.1016/j.foodchem.2010.12.084
Sola-Larrañaga C, Navarro-Blasco I (2009) Chemometric analysis of minerals and trace elements in raw cow milk from the community of Navarra, Spain. Food Chem 112(1):189–196. https://doi.org/10.1016/j.foodchem.2008.05.062
Coni E, Bocca A, Coppolelli P, Caroli S, Cavallucci C, Marinucci MT (1996) Minor and trace element content in sheep and goat milk and dairy products. Food Chem 57(2):253–260. https://doi.org/10.1016/0308-8146(95)00216-2
Al Wabel NA (2008) Mineral contents of milk of cattle, camels, goats and sheep in the central region of Saudi Arabia. Asian J Biochem 3(6):373–375. https://doi.org/10.3923/ajb.2008.373.375
Khan ZI, Ashraf M, Hussain A, McDowell LR, Ashraf MY (2006) Concentration of minerals in milk of sheep and goats grazing similar pastures in semiarid regions of Pakistan. Small Rumin Res 65:274–278. https://doi.org/10.1016/j.smallrumres.2005.07.050
Gerchev G, Mihaylova G (2012) Milk yield and chemical composition of sheep milk in Strednostaroplaninska and Tetevenska breeds. Biotechnol Anim Hus 28(2):241–251. https://doi.org/10.2298/BAH1202241G
Vahčić N, Hruškar M, Marković K, Banović M, Colić Barić I (2010) Essential mineral in milk and their daily intake through milk composition. Mljekarstvo 60(2):77–85
Zamberlin Š, Antunac N, Havranek J, Samaržija D (2012) Mineral elements in milk and dairy products. Mljekarstvo 62(2):111–125
Sevi A, Albenzio M, Marino R, Santillo A, Muscio A (2004) Effects of lambing season and stage of lactation on ewe milk quality. Small Rumin Res 51:251–259. https://doi.org/10.1016/S0921-4488(03)00196-2
Bagha CS, Gangwar PC, Metha SN, Dhingra DP (1985) Effect of cooling on concentration of electrolytes in milk of buffaloes (Bos Bubalis) during summer. Indian J Dairy Sci 38:36–40
Antunović Z, Marić I, Novoselec J, Lončarić Z, Mioč B, Engler M, Klir Ž (2016) Effect of lactation stage on the concentration of essential and selected toxic elements in milk of Dubrovačka ruda-Croatian endangered breed. Mljekarstvo 66(4):312–321. https://doi.org/10.15567/mljekarstvo.2016.0407
Antunović Z, Steiner Z, Senčić D, Mandić M, Klapec T (2001) Changes in ewe milk composition depending on lactation stage and feeding season. Czeh J Anim Sci 46:75–82
Mwaura SM, Akinsoyinu AO (2010) Calcium and phosphorus in milk of Yankasa ewes as influenced by stages of lactation. J Appl Biosci 26:1623–1630
Ivanova T, Pacinovski N, Raicheva E, Abadjieva D (2011) Mineral content of milk from dairy sheep breeds. Macedonian J Anim Sci 1(1):6–1
Rodríguez Rodríguez EM, Sanz Alaejos M, Díaz Romero C (1999) Chemometric studies of several minerals in milks. J Agric Food Chem 47(4):1520–1524. https://doi.org/10.1021/jf980552p
Blanco-Penedo I, Cruz JM, López-Alonso M, Miranda M, Castillo C, Hernández J, Benedito JL (2006) Influence of copper status on the accumulation of toxic and essential metals in cattle. Environ Int 32(7):901–906. https://doi.org/10.1016/j.envint.2006.05.012
Issac CP, Sivakumar A, Kumar CP (2012) Lead levels in breast milk, blood plasma and intelligence quotient: a health hazard for woman and infants. Bull Environ Contam Toxicol 88(2):145–149. https://doi.org/10.1007/s00128-011-0475-9
Tomza-Marciniak A, Pilarczyk B, Bąkowska M, Pilarczyk R, Wójcik J, Marciniak A, Hendzel D (2011) Relationship between selenium and selected heavy metals concentration in serum of cattle from a non-polluted area. Biol Trace Elem Res 144(1–3):517–524. https://doi.org/10.1007/s12011-011-9075-0
Alonso ML, Montaña FP, Miranda M, Castillo C, Hernández J, Benedito JL (2004) Interactions between toxic (As, Cd, Hg and Pb) and nutritional essential (Ca, Co, Cr, Cu, Fe, Mn, Mo, Ni, Se, Zn) elements in the tissues of cattle from NW Spain. Biometals 17(4):389–397. https://doi.org/10.1023/b:biom.0000029434.89679.a2
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This work was supported by the Slovak Research and Development Agency under the Contract no. APVV-18-0227.
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For this type of study, in which milk samples were obtained in the standard way, after automatic milking system of the animals and with the preservation of animal welfare, the approval of this study did not require an ethics committee.
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Pšenková, M., Toman, R. Determination of Essential and Toxic Elements in Raw Sheep’s Milk from Area of Slovakia with Environmental Burden. Biol Trace Elem Res 199, 3338–3344 (2021). https://doi.org/10.1007/s12011-020-02452-w
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DOI: https://doi.org/10.1007/s12011-020-02452-w