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Seasonal Variation of Aflatoxin M1 Contamination in Industrial and Traditional Iranian Dairy Products Publisher



Fallah AA1, 2 ; Rahnama M3 ; Jafari T4 ; Saeidehkordi SS1, 2
Authors
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Authors Affiliations
  1. 1. Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord 34141, Iran
  2. 2. Research Institute of Zoonotic Diseases, Shahrekord University, Shahrekord 34141, Iran
  3. 3. Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Zabol, Zabol 98615, Iran
  4. 4. School of Medicine, Esfahan University of Medical Sciences, Esfahan 81745, Iran

Source: Food Control Published:2011


Abstract

This study aimed to determine the occurrence of aflatoxin M1 (AFM1) contamination in 682 dairy product samples consisting of raw milk of cow, goat and sheep; Lighvan cheese; and industrial and traditional yoghurt, Kashk and Doogh samples collected from popular markets and dairy ranches in four large Iranian cities. Thin layer chromatography (TLC) technique was used for analysis of the samples. Results showed that the incidence and levels of AFM1 contamination in raw cow milk and industrial products (manufactured from cow milk) were higher than raw goat or sheep milk, and traditional products (made from goat and sheep milk), respectively. Moreover, seasonal variations influenced the concentration of AFM1 in most of the analyzed dairy products. Owing to the abundance and popularity of the industrial products, contamination of these products in such a level could be a potential hazard for public health. © 2011 Elsevier Ltd.
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