A modified method for the simultaneous determination of fluindapyr and its metabolites residues in vegetables and fruits by SPE and UHPLC-MS/ MS
文献类型： 外文期刊
作者： Han, Wei 1 ; Tang, Hongxia 1 ; Zhao, Li 2 ; Li, Yubo 1 ; Men, Dianying 1 ; Dong, Maofeng 1 ; Han, Lijun 3 ; Wang, Weimin 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Inst Agro food Stand & Testing Technol, Key Lab Safety Assessment Environm Agr Genet Modif, Minist Agr & Rural Affairs,Pesticide Safety Evalua, Shanghai 201106, Peoples R China
2.Shanghai Agr Tech Extens Serv Ctr, Shanghai 201103, Peoples R China
3.China Agr Univ, Coll Sci, Beijing 100193, Peoples R China
关键词： Fluindapyr; Metabolites; UHPLC-MS/MS; Method validation; Residues
期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.6； 五年影响因子：4.6 ）
ISSN： 0889-1575
年卷期： 2025 年 137 卷
页码：
收录情况： SCI
摘要： A sensitive and reliable method for the determination of fluindapyr residue and its five metabolites is necessary in its registration, application and dissipation researches. Two typical national standard multi-residue analytical methods that involved fluindapyr was validated in this study, and the results found that both the methods gave low recoveries for one or more analytes and were not satisfied for detecting the residues of fluindapyr and its metabolites simultaneously. With comprehensive optimization, a simple and efficient method was established using mixed solution extraction with acetonitrile and water and cleaning-up by a modified SPE procedure with mixed-mode cation exchange cartridges, followed by ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) detection for the simultaneous determination of fluindapyr and its five metabolites in vegetables and fruits. Method validation in nine vegetables and fruits was performed by analyzing the linearity (0.001-0.5 mg/L, and R2 >= 0.99), matrix effects (-95 %-80 %), fortified recoveries (71 %-118 %), relative standard deviations (0.2 %-16 %), limits of detection (0.0001-0.0002 mg/L), limits of quantification (0.0003-0.0006 mg/L) and the method limits of quantification (0.001 mg/kg). The proposed method was highly sensitive and reliable, and provides beneficial supplement to the two national standards in China in the simultaneously analysis of fluindapyr and its five metabolites in vegetables and fruits, and this study also provides reference for the method establishment for highly water-soluble analytes.
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