Zeolitic imidazolate framework-8 as a dispersive solid phase extraction sorbent for simultaneous determination of 145 pesticide residues in polyphenol-rich plants
文献类型： 外文期刊
作者： Zhu, Telin 1 ; Qi, Peipei 2 ; Wang, Jiao 2 ; Di, Shanshan 2 ; Wang, Zhiwei 2 ; Xu, Hao 2 ; Zhao, Huiyu 2 ; Wang, Qiang 2 ; Wang, Xinquan 2 ; Zhang, Chenghui 1 ;
作者机构： 1.Hainan Univ, Coll Food Sci & Engn, 158 Renmin Ave, Haikou, Hainan, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, 198 Shiqiao Rd, Hangzhou 310021, Peoples R China
3.Key Lab Detect Pesticide Residues & Control Zheji, Hangzhou, Peoples R China
4.Agr Minist, Key Lab Pesticide Residue Detect, Hangzhou, Peoples R China
关键词： matrix effect; pesticides; polyphenols; tandem mass spectrometry; zeolitic imidazolate framework-8
期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.614； 五年影响因子：2.904 ）
ISSN： 1615-9306
年卷期： 2022 年 45 卷 7 期
页码：
收录情况： SCI
摘要： Many plants have a high polyphenol content, which causes the matrix effect and makes the analysis of trace pesticide residues highly challenging. A common approach to improving matrix effects is to purify pesticides through the use of sorbents, but this requires a combination of multiple sorbents and extensive use. Zeolitic imidazolate framework-8 is widely used for pesticide analysis due to its high porosity, large specific surface area, and versatility. Here, we established and validated a modified quick, easy, cheap, effective, rugged, and safe method based on a zeolitic imidazolate framework-8 that was used to test the removal ability for polyphenols. To this end, 145 pesticide residues in peppermint, perilla, fennel, and mulberry leaves were analyzed by the modified method coupled with liquid chromatography with tandem mass spectrometry. The mean recoveries of all pesticide residues were in the range of 74.3-103.7%, with mean relative standard deviations <= 9.1% at spiked concentrations of 1, 10, 50, and 100 mu g/kg for mulberry leaves. The limits of quantitation of the method ranged from 1 to 50 mu g/kg. This study offers a reliable approach for the accurate quantitative analysis of various trace substances in the polyphenol-rich plants.
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