Natural Occurrence of Mycotoxins in Maize in North China

Author:

Cheng Sirui,Feng Xiaoxiao,Liu Guoxin,Zhao Nan,Liu Jing,Zhang Zhimeng,Yang Nan,Zhou Luqi,Pang Minhao,Tang Bowen,Dong Jingao,Zhao BinORCID,Liu Yingchao

Abstract

Mycotoxins seriously threaten the quality of maize seriously around the world. A total of 426 samples of maize kernel from northeast and northwest China were analyzed in this study. Ultra-performance liquid chromatography–tandem mass spectrometry (UPLC–MS/MS) was performed to analyze the mycotoxin contamination of maize samples. The results showed that it was contaminated by mycotoxins in maize. The average contamination levels of fumonisins, deoxynivalenol, aflatoxins, zearalenone, ochratoxin A, T-2 and HT-2 were 937, 431, 22, 27, 2 and 12 μg/kg, respectively. Concentration of mycotoxins in some samples exceeded their limit, but most were still at safe levels. The contamination level of FBs and DON were most significative. The proportion of mycotoxins exceeding the maximum limit standard was in the following order: 8.0%, 8.0%, 7.0%, 1.6%, 1.4% and 0.0%. The contamination of mycotoxins in maize varies from region to region.

Funder

Natural Science Foundation of Hebei Province

Key projects of science and technology research in Colleges and universities of Hebei Province

Publisher

MDPI AG

Subject

Health, Toxicology and Mutagenesis,Toxicology

Reference38 articles.

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