MONITORING OF ORGANOCHLORINE PESTICIDE RESIDUES IN MILK PRODUCTS

Document Type : Original Article

Authors

1 Central Laboratory for Residue Analysis of Pesticides and Heavy Metals in food, Agricultural Research Centre, Dokki, Giza, Egypt

2 National Organization for Drug Control and Research, Ministry of Health, Egypt

3 Food Technology Research Institute, Agriculture Research Centre, Dokki, Giza, Egypt

Abstract

Fifty four random samples (27 milk samples, 12 cream samples, 11 karish (Skim milk) cheese samples and 4 yoghurt samples) were col­lected from Agriculture Research Station of Kafer El-Sheikh. All collected samples were subjected to extraction and clean up procedure for multi-residue detection of pesticides. The results demonstrated that p,p-DDE was the only and most frequent organochlorine residue contaminates milk and cheese samples. Storage process caused a significant decrease of p,p-DDE residues in cheese samples after 15 days storage. Pasteuri­zation process doesn't cause any decrease in p,p-DDE residue. p.p-DDE and p,p-ODD residues were detected in higher concentrations in case of cream samples compared with milk samples. p,p-DIDD was the only resi­due that detected in yoghurt samples. None of the milk or milk product samples exceeded the Codex Alimentarius residue limits for DDT com­plex in milk.

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