Determination of Aminoglycoside Fungicide Validamycin A in Rice Plant by Quick, Easy, Cheap, Effective, Rugged, and Safe Approach Using Ultra High Performance Liquid Chromatography-Electrospray Ionization-Tandem Mass Spectrometry

文献类型： 外文期刊

第一作者： Dong, Fengshou

作者： Dong, Fengshou;Xu, Jun;Liu, Xingang;Zheng, Yongquan;Liu, Na

作者机构：

关键词： Rice plant;Validamycin A;Pesticide residue;Ultra high performance liquid chromatography-electrospray ionization-tandemmass spectrometry

期刊名称：FOOD ANALYTICAL METHODS （ 影响因子：3.366； 五年影响因子：3.07 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： A rapid, simple, sensitive, and reliable method was developed for the determination of validamycin A residues in rice plants based on a modified quick, easy, cheap, effective, rugged, and safe extraction procedure using ultra high performance liquid chromatography-tandem mass spectrometry. The samples were extracted with methanol/ water (9:1, v/v) and cleaned-up with octadecylsilane, graphitized carbon black and primary secondary amine for the rice hull, rice straw, and brown rice, respectively. The mass spectrometry parameter optimization was performed in multi-reaction monitoring mode, and electrospray ionization in positive mode was selected. Recovery studies were performed in three matrices at three levels (10, 100, and 500 mu g/kg) with average recoveries ranging from 77.7 to 94.3 % and relative standard deviations of less than 9.8 % (n = 5) for the analyte. The limits of detections (LODs) for validamycin A were below 0.40 mu g/kg, and the limits of quantifications (LOQs) were below 1.32 mu g/kg. The effects of different columns on the separation were also investigated. The method was successfully applied in a study of validamycin A residues in rice plants.

分类号： TS2

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