Monitoring and dietary exposure assessment of pesticide residues in strawberry in Beijing, China.

IF 2.5 3区农林科学 Q2 CHEMISTRY, APPLIED

Food additives & contaminants. Part B, Surveillance Pub Date : 2022-06-01 Epub Date: 2022-01-23 DOI:10.1080/19393210.2022.2028311

Jianxun Li, Wenhui Chen, Kailin Deng, Shuyan Liu, Bei Li, Yi Li

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引用次数: 3

Abstract

In this study, 142 pesticide residues in 245 strawberry samples, gathered from farmers markets or supermarkets in Beijing from June 2017 to May 2018, were investigated. The samples were analysed by high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). According to the validation data, including linearity, recovery, precision and measurement uncertainty, the method performed well in monitoring pesticide residues and complied with the requirements of the European Guideline SANTE/11813/2017. Among the strawberry samples, 26.0% contained at least one pesticide residue, four of which contained pesticide residues that exceeded the maximum residue limit of China. Carbendazim, pyrimethanil and azoxystrobin were the most frequently detected pesticides in the strawberry samples. Lower bound, middle bound and upper bound values were used to replace left-censored results. In the worst-case scenario, the hazard index (HI) for adults and children was 0.91% and 3.62%, respectively. Carbofuran, bifenazate and pyraclostrobin were identified as the top three contributors to HI.

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北京市草莓中农药残留监测及膳食暴露评价

在这项研究中，研究人员调查了2017年6月至2018年5月在北京农贸市场或超市收集的245份草莓样品中的142种农药残留。采用高效液相色谱-串联质谱(HPLC-MS/MS)对样品进行分析。从线性度、回收率、精密度和测量不确定度等验证数据来看，该方法具有良好的农药残留监测效果，符合欧洲指南SANTE/11813/2017的要求。26.0%的草莓样品中含有至少一种农药残留，其中4种农药残留超过中国最大残留限量。多菌灵、嘧虫胺和嘧菌酯是草莓样品中检出最多的农药。用下界、中界和上界值代替左删减结果。最坏情况下，成人和儿童的危害指数(HI)分别为0.91%和3.62%。呋喃、联苯肼和吡咯菌酯被确定为HI的前三个贡献者。

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 additives & contaminants. Part B, Surveillance 农林科学-毒理学

CiteScore

5.30

自引率

10.30%

发文量

审稿时长

2.7 months

期刊介绍： Food Additives & Contaminants: Part B publishes surveillance data indicating the presence and levels of occurrence of designated food additives, residues and contaminants in foods, food supplements and animal feed. Data using validated methods must meet stipulated quality standards to be acceptable and must be presented in a prescribed format for subsequent data-handling. Food Additives & Contaminants: Part B restricts its scope to include certain classes of food additives, residues and contaminants. This is based on a goal of covering those areas where there is a need to record surveillance data for the purposes of exposure and risk assessment. The scope is initially restricted to: Additives - food colours, artificial sweeteners, and preservatives; Residues – veterinary drug and pesticide residues; Contaminants – metals, mycotoxins, phycotoxins, plant toxins, nitrate/nitrite, PCDDs/PCFDs, PCBs, PAHs, acrylamide, 3-MPCD and contaminants derived from food packaging. Readership: The readership includes scientists involved in all aspects of food safety and quality and particularly those involved in monitoring human exposure to chemicals from the diet. Papers reporting surveillance data in areas other than the above should be submitted to Part A . The scope of Part B will be expanded from time-to-time to ensure inclusion of new areas of concern.