Potential hazard of simultaneous occurrence of aflatoxin B-1 and ochratoxin A

https://doi.org/10.17221/7876-VETMEDCitation:Sedmíková M., Reisnerová H., Dufková Z., Bárta I., Jílek F. (2001): Potential hazard of simultaneous occurrence of aflatoxin B-1 and ochratoxin A. Veterinarni Medicina, 46: 169-171.
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Contents of aflatoxin B1 (AFB1) and ochratoxin A (OA) in the samples of wheat and barley were detected by RIA method. Average contents of AFB1 in the samples of wheat and barley were 2.4 µg/kg and 2.2 µg/kg, respectively. Average contents of OA in the samples of wheat and barley were 3.1 µg/kg and 2.4 µg/kg, respectively. The contents of mycotoxins corresponded to the allowed limits in food. During the studies of mutagenic activity of mycotoxins and their combinations by means of Ames test it was found that OA could increase the mutagenicity of AFB1 in the case of their simultaneous occurrence in the same substrate.
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