Due to their nutritional value, dairy products are popular in Iran. However, several reports have demonstrated that aflatoxin M1 (AFM1) contamination of milk and dairy products are challenging for human health, especially children. This manuscript is a review of some reports about the occurrence of AFM1 in Iranian dairy products published between 2005 and 2013. The studies analyzed a total of 11 107 dairy products samples composed of raw milk, UHT milk, pasteurized milk, traditional cheese, UF cheese, cream cheese, feta cheese, white cheese, butter, ice cream, infant milk products, Doogh and yoghurt. Current AFM1 analysis was conducted by various methods including thin layer chromatography, high-performance liquid chromatography and enzyme-linked immunoassays; but the ELISA method is mostly used in Iran because of its rapidity, simplicity and cheapness. The mean contamination level of AFM1 in autumn and winter samples was significantly higher than spring and summer. According to European Commission limit, i.e. 50 ng/kg, the reported range of contamination in analyzed dairy products exceeded the limit was in the range of 0–100%.
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Kamkar et al. (2014) studied this question.
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