Simultaneous analysis of indaziflam and its metabolites in pitaya using dispersive solid phase extraction coupled with liquid chromatography coupled with tandem mass spectrometry
文献类型： 外文期刊
作者： Liu, Xiaoliang 1 ; Ji, Chunhong 1 ; Tang, Wenwei 1 ; Hu, Mingfeng 1 ; Tan, Huihua 1 ; Li, Xuesheng 1 ; Ma, Shaozhi 3 ; Yu 1 ;
作者机构： 1.Guangxi Univ, Coll Agr, Guangxi Key Lab Agr Environm & Agr Prod Safety, Nanning, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Food Safety & Nutr, Minist Sci & Technol, Jiangsu Key Lab Food Qual & Safety,State Key Lab, Nanjing, Peoples R China
3.Seed Adm Stn Bijie, Bijie, Peoples R China
关键词： indaziflam; liquid chromatography-tandem mass spectrometry; metabolites; pitaya; residue
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：
页码：
收录情况： SCI
摘要： A simple and efficient multiresidue method using dispersive solid phase extraction and liquid chromatography coupled with tandem mass spectrometry was developed for the targeted analysis of indaziflam and its five metabolites (indaziflam-diaminotriazine, indaziflam-carboxylic acid, indaziflam-triazine indanone, indaziflam-hydroxyethyl, and indaziflam-olefin) in pitaya samples (including roots, plants, flowers, peels, pulp, and whole fruit). The analytes were extracted with acetonitrile, and the extracts were purified using multiwalled carbon nanotubes. The method was validated using pitaya samples spiked at 0.5, 5, and 50 mu g/kg, and the average recoveries varied from 61.1 to 103.7% with relative standard deviations lower than 12.7% (n = 5). This method exhibited sufficient linearity within the concentration range of 0.1-100 mu g/L. The limits of detection and quantification were in the ranges of 0.001-0.1 and 0.003-0.3 mu g/kg, respectively. The method was successfully applied to analyze pitaya samples in Nanning, and no indaziflam or its metabolites were detected in the samples analyzed.
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