Covalent organic framework reinforced hollow fiber for solid-phase microextraction and determination of pesticides in foods

IF 6.3 1区农林科学 Q1 FOOD SCIENCE & TECHNOLOGY

Food Control Pub Date : 2022-03-01 DOI:10.1016/j.foodcont.2021.108587

Wen-kui Li , Yuan-ji Xue , Xiang-yun Fu , Zhi-qing Ma , Jun-tao Feng

引用次数: 17

Abstract

A novel solid-phase micro extraction (SPME) system was constructed by immobilizing a three-dimensional hydroxyl-functionalized covalent organic framework (COF) into the wall pores of hollow fiber (HF). The extractant was sensitive to hydrogen bond acceptors contained analytes. Combined with high performance liquid chromatography (HPLC), a SPME-HPLC method was established for acetamiprid (Ace), dimethipin (Dim), and amitrole (Ami) simultaneous determination from rice and apple samples. Critical extraction parameters were optimized. The analytical method was proved to have good linearity with the linear coefficients above 0.99, satisfactory precision with the RSD less than 4.9%, desirable recovery ranged from 79.3% to 106.8%, and low limit of detection (LOD) ranged from 0.86 to 1.38 ng/g for Ace, Dim, and Ami. The explored analytical method has potentials for hydrogen bond acceptors contained pesticides sensitive and selective determination from food samples.

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共价有机骨架增强中空纤维固相微萃取测定食品中农药

将三维羟基功能化共价有机骨架(COF)固定在中空纤维(HF)的壁孔中，构建了一种新型固相微萃取(SPME)体系。萃取剂对含氢键受体的分析物敏感。结合高效液相色谱(HPLC)，建立了同时测定大米和苹果样品中醋氨脒(Ace)、甲氧苄啶(Dim)和阿米咯(Ami)的方法。对关键提取参数进行了优化。结果表明，该方法线性良好，线性系数均在0.99以上，精密度满意，RSD < 4.9%，回收率为79.3% ~ 106.8%，低检出限为0.86 ~ 1.38 ng/g。该分析方法对食品样品中含农药氢键受体的敏感和选择性测定具有一定的潜力。

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 Control 工程技术-食品科技

CiteScore

12.20

自引率

6.70%

发文量

758

审稿时长

33 days

期刊介绍： Food Control is an international journal that provides essential information for those involved in food safety and process control. Food Control covers the below areas that relate to food process control or to food safety of human foods: • Microbial food safety and antimicrobial systems • Mycotoxins • Hazard analysis, HACCP and food safety objectives • Risk assessment, including microbial and chemical hazards • Quality assurance • Good manufacturing practices • Food process systems design and control • Food Packaging technology and materials in contact with foods • Rapid methods of analysis and detection, including sensor technology • Codes of practice, legislation and international harmonization • Consumer issues • Education, training and research needs. The scope of Food Control is comprehensive and includes original research papers, authoritative reviews, short communications, comment articles that report on new developments in food control, and position papers.