Fast determination of 14 mycotoxins in chestnut by dispersive solid-phase extraction coupled with ultra high performance liquid chromatography-tandem mass spectrometry
文献类型： 外文期刊
作者： Liang, Jingyun 1 ; Dong, Yanjie 1 ; Yuan, Xuexia 1 ; Fan, Lixia 1 ; Zhao, Shancang 1 ; Wang, Lei 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Jinan, Shandong, Peoples R China
2.Shandong Prov Key Lab Test Technol Food Qual & Sa, Jinan, Shandong, Peoples R China
关键词： chestnut; dispersive solid-phase extraction; mycotoxins; tandem mass spectrometry; ultra high performance liquid chromatography
期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）
ISSN： 1615-9306
年卷期： 2019 年 42 卷 13 期
页码：
收录情况： SCI
摘要： A dispersive solid-phase extraction coupled with ultra high performance liquid chromatography with tandem mass spectrometry method was developed and validated for the simultaneous determination of T-2 toxin, penicillic acid, fumonisins B-1, B-2, and B-3, aflatoxins B-1, B-2, G(1), and G(2), ochratoxin A, deoxynivalenol, 3-acetyldeoxynivalenol, 15-acetyldeoxynivalenol, and zearalenone in chestnut samples. The method was used to analyze 136 samples obtained from Shandong province in China. The mycotoxins were extracted using a dispersive solid-phase extraction method and cleaned using an improved quick, easy, cheap, effective, rugged, and safe approach. The mycotoxins were then detected using a triple-quadrupole mass spectrometer. The limits of detection and quantification ranged from 0.02 to 1 and 0.1 to 2 mu g/kg, respectively. The recovery rates ranged from 74.2 to 109.5%, with relative standard deviations below 15%. A total of 71 samples were contaminated with seven mycotoxins at concentrations ranging from 1.2 to 105.5 mu g/kg, with a number of samples exceeding the maximum limits set in the European regulations for mycotoxins in unprocessed chestnuts.
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