Determination of Mycotoxin Biomarkers in Eggs by Liquid Chromatography-Tandem Mass Spectrometry Coupled with Matrix Solid Phase Dispersion
文献类型: 外文期刊
第一作者: Zhu Run-Yue
作者: Zhu Run-Yue;Xu Fei;Zhu Run-Yue;Zhao Zhi-Yong;Song Su-Quan;Yang Xian-Li;Nie Dong-Xia;Wu Ai-Bo;Song Su-Quan
作者机构:
关键词: Matrix solid phase dispersion;Liquid chromatography-tandem mass spectrometry;Egg;Mycotoxins
期刊名称:CHINESE JOURNAL OF ANALYTICAL CHEMISTRY ( 影响因子:1.134; 五年影响因子:0.909 )
ISSN: 0253-3820
年卷期: 2015 年 43 卷 7 期
页码:
收录情况: SCI
摘要: A matrix solid phase dispersion (MSPD) method was developed for the simultaneous preparation of samples of 15 mycotoxin biomarkers including deoxynivalenol, aflatoxins and zearalenone from eggs, which were subsequently determined by liquid chromatography-electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS) under the multiple reaction monitoring (MRM) mode. For the analysis, the samples were first mixed with C-18 particles and loaded into an empty column, then 20 mL of acetonitrile/methanol (1:1, V/V) containing 1 mmol/L ammonium formate was used to elute the sample. The eluent was then dried with nitrogen flow and redissolved into the mobile phase. After filtration, samples were brought into vials and used for analysis. Different from other methods, no extra complicated purification and centrifugation steps were required in the procedure of MSPD. This method had good linearity in the range of 0. 2-100 ng/mL, with the correlation coefficient (r(2)) greater than 0. 9931. The limits of detection (LODs, S/N = 3) and limits of quantification (LOQs, S/N = 3) of this method were 0. 05 - 2 mu g/kg and 0. 2 - 4 mu g/kg respectively. Comprehensive extraction recoveries of the 15 compounds ranged from 61% to 90%.
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