Construction of a magnetic solid-phase extraction method for the analysis of azole pesticides residue in medicinal plants

IF 9.8 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry Pub Date : 2022-08-30 DOI:10.1016/j.foodchem.2022.132743

Ibrahim A. Senosy , Zhi-Heng Lu , Dong-Dong Zhou , Talat M. Abdelrahman , Min Chen , Lv-Yun Zhuang , Xiao Liu , Yi-Wen Cao , Jian-Hong Li , Zhong- Hua Yang

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引用次数: 12

Abstract

In this work, a sensitive and cost-effective method for the quantitative analysis of azole pesticides residues in six medicinal plants was established based on magnetic cyclodextrin crosslinked with tetrafluoroterephthalonitrile (Fe₃O₄@TFN-CDPs) coupled with high-performance liquid chromatography (HPLC). Through characterization analysis, the outer shell of Fe₃O₄@TFN-CDPs has observed coating with a network of the polymer and forming a core–shell structure. Under the optimum conditions, the limits of detection (LODs) and limits of qualification (LOQs) of target pesticides were ranged from 0.011 to 0.106 µg Kg⁻¹ and from 0.036 to 0.354 µg Kg⁻¹, respectively. Finally, the achieved recoveries of pesticides in six medicinal samples fluctuated from 60.1% to 102.3%. Altogether, this method based on Fe₃O₄@TFN-CDPs composites provided a new idea for the analysis of trace pesticides in complicated matrices.

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药用植物中唑类农药残留磁性固相萃取分析方法的建立

本文建立了磁环糊精-四氟对苯二甲酸(Fe3O4@TFN-CDPs)交联高效液相色谱法(HPLC)对6种药用植物中唑类农药残留量的定量分析方法。通过表征分析，Fe3O4@TFN-CDPs的外壳已被聚合物网状包裹，形成核壳结构。在最佳条件下，目标农药的检出限(lod)为0.011 ~ 0.106µg Kg - 1，限定限(loq)为0.036 ~ 0.354µg Kg - 1。6种药材样品中农药的回收率在60.1% ~ 102.3%之间波动。总之，基于Fe3O4@TFN-CDPs复合材料的方法为复杂基质中痕量农药的分析提供了新的思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Food Chemistry 工程技术-食品科技

CiteScore

16.30

自引率

10.20%

发文量

3130

审稿时长

122 days

期刊介绍： Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.