Selecting a representative tea for risk assessment of pesticide residue in tea:Afidopyropen as a case

IF 9.8 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry Pub Date : 2025-04-17 DOI:10.1016/j.foodchem.2025.144385

Mingming Guo , Zhaoqun Li , Yujie Qin , Kexin Qian , Chi Su , Jiawei Yu , Hezhi Sun , Xinzhong Zhang , Xinru Wang , Mei Yang , Fengjian Luo , Zongmao Chen , Li Zhou

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引用次数: 0

Abstract

Due to inconsistency of tea type for setting Maximum Residue Limits (MRLs) for pesticide globally, the harmonization in MRLs for tea is lacking. This study evaluated a representative tea selection strategy for MRLs establishment, based on health risk assessment and extrapolation methodology. Take afidopyropen (ADP) for example across white, black, oolong and green tea, limited ADP (−12.95 % to 24.70 %) was lost during four types tea processing, and the highest residues of total ADP (0.54 mg/kg) was detected in black at pre-harvest interval of 7 d. Meanwhile, white tea exhibited the highest infusing rate of ADP (23.68–24.20 %), surpassing the other three tea types. Combined with residue and infusion rate, black tea posed the highest acute and chronic dietary risk quotient values for all population groups. Consequently, black tea could serve as the optimal representative for ADP risk assessment, facilitating the establishment of standardized MRL for ADP to achieve regulatory consistency globally.

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选取具有代表性的茶叶进行茶叶中农药残留风险评价：以拟滴虫草为例

由于全球范围内制定农药最高残留限量（MRL）的茶叶种类不一致，茶叶最高残留限量缺乏统一性。本研究基于健康风险评估和外推法，评估了制定最高残留限量的代表性茶叶选择策略。以白茶、红茶、乌龙茶和绿茶中的阿菲多壮素（ADP）为例，在四种茶叶的加工过程中，阿菲多壮素（ADP）的损失有限（-12.95%至24.70%），红茶在采前间隔7 d检测到的阿菲多壮素总残留量最高（0.54 mg/kg）。结合残留量和浸泡率，红茶对所有人群的急性和慢性膳食风险商数值最高。因此，红茶可作为 ADP 风险评估的最佳代表，有助于制定标准的 ADP 最大残留限量，实现全球监管的一致性。

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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.