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Development of QuEChERS coupled with UHPLC-MS/MS for simultaneous determination of eight neonicotinoid pesticides in breast milk

文献类型： 外文期刊

作者： Ying, Zeteng 1 ; Fu, Lili 1 ; Gu, Sijia 1 ; Wang, Yan 1 ; Mo, Xunjie 1 ; Tang, Tao 2 ; Jin, Hangbiao 1 ; Zhang, Quan 1 ;

作者机构： 1.Zhejiang Univ Technol, Coll Environm, Key Lab Microbial Technol Ind Pollut Control Zheji, Hangzhou 310032, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Qual & Stand Agroprod, State Key Lab Qual & Safety Agroprod, Key Lab Pesticide Residue Detect,Minist Agr & Rura, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Neonicotinoids; UHPLC-MS/MS; Breast milk; Pretreatment; Infants

期刊名称：ENVIRONMENTAL MONITORING AND ASSESSMENT （ 影响因子：3.0； 五年影响因子：3.1 ）

ISSN： 0167-6369

年卷期： 2023 年 195 卷 5 期

页码：

收录情况： SCI

摘要： A speedy and hypersensitive method was built to detect eight neonicotinoid insecticides (neonics) in breast milk by ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). The breast milk was extracted with a mixture of acetonitrile and water and purified with primary secondary amine (PSA) and C18. The recovery of the method ranged from 74.3 to 105.9% with relative standard deviations (RSDs) of less than 10%, and the limit of detection ranged from 0.05 to 0.18 ng/mL. Among 32 samples obtained from women 1 month postpartum, thiamethoxam and imidacloprid were the most frequently detected neonics. Moreover, thiacloprid and imidaclothiz were not detected in any samples. The concentrations of neonics in breast milk ranged from 1.90 to 149.95 ng/mL. Considering the toxic effects on mammals and even humans, infants who are exposed to neonics through ingestion of breast milk should receive extensive attention in future studies.

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