Determination of 16 Mycotoxins in Maize by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry
文献类型: 外文期刊
作者: Li, Xia 1 ; Liu, Bin 1 ; Wang, Fengen 1 ; Ma, Xinfeng 1 ; Li, Zengmei 1 ; Guo, Dongliang 1 ; Wang, Yutao 1 ; Wan, Fachun; 1 ;
作者机构: 1.Shandong Acad Agr Sci, Agr Qual Stand & Testing Technol Res, 202 Gongyebeilu Rd, Jinan 250100, Shandong, Peoples R China
2.Shandong Acad Agr Sci, Agr Qual Stand & Testing
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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