Determination of 16 Mycotoxins in Maize by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry

文献类型： 外文期刊

第一作者： Li, Xia

作者： Li, Xia;Liu, Bin;Wang, Fengen;Ma, Xinfeng;Li, Zengmei;Guo, Dongliang;Wang, Yutao;Deng, Ligang;Zhang, Shuqiu;Wan, Fachun

作者机构：

关键词： Maize;mycotoxins;ultrahigh-performance liquid chromatography-tandem mass spectrometry

期刊名称：ANALYTICAL LETTERS （ 影响因子：2.329； 五年影响因子：1.738 ）

ISSN： 0003-2719

年卷期： 2018 年 51 卷 5 期

页码：

收录情况： SCI

摘要： An ultrahigh-performance liquid chromatography-tandem mass spectrometry method was developed and validated for the simultaneous determination of sterigmatocystin, verruculogen, enniatin A, fusarenon-X, fumonisins B1, B2, B3, aflatoxins B1, B2, G1, G2, ochratoxin A, deoxynivalenol, 3-acetyldeoxynivalenol, 5-acetyldeoxynivalenol, and zearalenone. The mycotoxins were extracted and cleaned up using a multitoxin column, separated on a C18 column, and then detected on a triple-quadrupole mass spectrometer. The limits of detection and quantification ranged within 0.2-2 mu g/kg and 1-10 mu g/kg, respectively. The recoveries ranged from 70.8 to 118.4%, with relative standard deviations below 15%. The method was used to analyze 80 samples obtained from Shandong Province in China. Fifty-eight samples were contaminated with 10 mycotoxins at concentrations ranging from 1.4 to 6566.1 mu g/kg. Some samples exceeded the maximum limits in China and in European regulations for mycotoxins in unprocessed maize.

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