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A SURVEY AND ANALYZE OF CONTAMINATION BY MYCOTOXIN IN CEREAL

Fu Pengcheng Li Rongtao Xie Gang Chen Lan Wu Junliª¤
(Chengdu Grain Storage Research Institute,State Administration of Grain Reserves 610031)

The mycotoxin content of 31 stored cereal samples was tested by the immunoaffinity column test system.Results indicate that aflatoxins(90.32%) and ochratoxin(87.10%) have higher positive rate than T-2 toxin(35.48%) and deoxynivalenol(3.22%).As the safety level of cereal,T-2 toxin (29.03%) exceed seriously,ochratoxin(3.22%) were next,and deoxynivalenol(3.22%) and aflatoxins(0) was lowest on rate of exceeding content limit of mycotoxin.The mycoflora and climate are leading affection factor.
Keywords:cereal,mycotoxin,ochratoxin,aflatoxin,T-2 toxin,deoxynivalenol