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摘要
In this present study, 195 cow milk, 100 goat milk, 50 buffalo milk, 50 camel milk, and 50 yak milk samples were collected in China in May and October 2016. The presence of aflatoxin M1 (AFM1) was determined using enzyme-linked immunosorbent assay method. For all cow milk samples, 128 samples (65.7%) contained AFM1 in concentrations ranging from 0.005 to 0.191 mu g/L, and 6 samples (3.1%) from Sichuan province in October were contaminated with AFM1 above 0.05 mu g/L (EU limit). For all goat milk samples, 76.0% of samples contained AFM1 in concentrations ranging from 0.005 to 0.135 mu g/L, and 9 samples (9.0%) from Shanxi province in October were contaminated with AFM1 above 0.05 mu g/L. For all buffalo milk samples, 24 samples (48.0%) contained AFM1 in concentrations ranging from 0.005 to 0.089 mu g/L, and 2 samples collected in October were contaminated with AFM1 above 0.05 mu g/L. Furthermore, 28.0% of samples contained AFM1 in concentrations ranging from 0.005 to 0.007 mu g/L in camel milk samples, and 18.0% of samples contained AFM1 in concentrations ranging from 0.005 to 0.007 mu g/L in yak milk samples. Our survey study has expanded the current knowledge of the occurrence of AFM1 in milk from five dairy species in China, in particular the minor dairy species.
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单位广东省农业科学院
