ESTIMATION OF SOME HEAVY METALS IN BOVINE MILK IN ASSIUT GOVERNORATE.

Document Type : Research article

Authors

1 Dept. of Food Hygiene, Fac. of Vet. Med., Assiut Univ.

2 Dept. Forensic Medicine and Toxicology, Fac. Vet. Med., Assiut Univ., Egypt

Abstract

The present study estimates the levels of some heavy metals in milk samples collected from different lactating cow's and buffalo's farms in Assiut Governorate. These samples were examined physically for flavor and color. Lead and cadmium as non essential toxic elements as well as iron, cop < /strong>per and zinc as essential elements were estimated by using the atomic absorption spectrophotometer. The analytical results indicated that the mean values of lead, cadmium, iron, copper and zinc in milk of investigated animals were 0.240, 0.017, 0.428, 0.592 and 2.060 ppm in cow's milk and 0.447, 0.019, 0.322, 0.825 and 2.337 ppm in buffalo's milk, respectively. The results also revealed a significant increase only in copper content in the examined buffalo's milk compared with cow's milk. The importance of public health and sources of milk contamination by heavy metals were discussed.

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