STUDIES ON SOME RESIDUES AND CONTAMINANTS AFFECTING THE SAFETY OF MILK AND SOME DAIRY PRODUCTS
M. Aman, I., Sobeih, A., Ebied, N. (2012). STUDIES ON SOME RESIDUES AND CONTAMINANTS AFFECTING THE SAFETY OF MILK AND SOME DAIRY PRODUCTS. EKB Journal Management System, 10(2), 39-56. doi: 10.21608/kvmj.2012.112060
Ibrahim M. Aman; Azza M.K. Sobeih; Nahla A.A. Ebied. "STUDIES ON SOME RESIDUES AND CONTAMINANTS AFFECTING THE SAFETY OF MILK AND SOME DAIRY PRODUCTS". EKB Journal Management System, 10, 2, 2012, 39-56. doi: 10.21608/kvmj.2012.112060
M. Aman, I., Sobeih, A., Ebied, N. (2012). 'STUDIES ON SOME RESIDUES AND CONTAMINANTS AFFECTING THE SAFETY OF MILK AND SOME DAIRY PRODUCTS', EKB Journal Management System, 10(2), pp. 39-56. doi: 10.21608/kvmj.2012.112060
M. Aman, I., Sobeih, A., Ebied, N. STUDIES ON SOME RESIDUES AND CONTAMINANTS AFFECTING THE SAFETY OF MILK AND SOME DAIRY PRODUCTS. EKB Journal Management System, 2012; 10(2): 39-56. doi: 10.21608/kvmj.2012.112060

STUDIES ON SOME RESIDUES AND CONTAMINANTS AFFECTING THE SAFETY OF MILK AND SOME DAIRY PRODUCTS

Kafrelsheikh Veterinary Medical Journal
Article 3, Volume 10, Issue 2, October 2012, Page 39-56  XML PDF (712.09 K)
Document Type: Original Article
DOI: 10.21608/kvmj.2012.112060
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Authors
Ibrahim M. Aman* 1; Azza M.K. Sobeih1; Nahla A.A. Ebied2
1Food Control Dept., Fac. Vet. Med., Kafrelsheikh Univ., Egypt
2Animal Health Research Inst., Kafr El-Sheikh Branch
Abstract
It is important that milk and milk products offered for sale do not contain residues at levels that exceed allowable maximum residue limits (MRLS), so this study aimed to determine the content of lead (Pb), cadmium (Cd), arsenic (As), copper (Cu) and zinc (Zn) in bulk tank milk, soft cheese, yoghurt, powdered ice cream and ice cream (30 samples each) collected from different small scale dairy plants at Kafr El-Sheikh governorate using atomic absorption spectrophotometer for analysis. The obtained results reveal that, the mean Pb levels in the examined bulk milk, soft cheese, yoghurt, powdered ice cream and ice cream samples were 5.5 + 2.7, 0.2, 1.28 + 0.55, 1.32 + 0.6 and 0.0 ppm, respectively. These levels were higher in bulk milk, yoghurt and powdered ice cream than the permissible limits. The mean levels of Cd in the same examined samples were 5.40 + 4.9, 0.1, 0.00, 0.35 + 0.22 and 0.00 ppm, respectively. The obtained levels of Cd were higher in bulk milk, soft cheese and powdered ice cream than the permissible limits. For Cu, the mean levels were 5.39 + 2.02, 2.58 + 0.24, 1.28 + 0.13, 2.34 + 0.24 and 1.33 + 0.43 ppm, respectively, while for Zn, they were 2.70 + 0.19, 7.26 + 0.67, 10.22 + 0.44, 2.34 + 0.24 and 2.50 + 0.34 ppm respectively in the examined samples, respectively. Cu and Zn values were higher than the permissible limits. Arsenic could not be detected from any of the examined samples. Possible health risk of these metals was discussed.
Keywords
heavy metals; milk; dairy products
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