茶叶中农药残留与重金属的联合检测及安全性评价

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中图分类号：TS207.3 文献标志码：A 文章编号：1674-0270（2026）01-0101-04

DOl: 10.16043/j.cnki.cfs.2026.01.026

Determination of Pesticide Residues and Heavy Metal in Tea and Safety Evaluation

CAO Wang, QI Shuangyan, HAO Wei (Xintai City Inspection and Testing Center, Xintai 2712OO, China)

Abstract: As an important beverage in the world,the safety of tea is facing dualthreats ofpesticide residues and heavy metal pollution.Improper application of pesticides and environmental polution have led to excessive levelsof various harmfulsubstances intea,seriouslyendangering thehealthofconsumers.Inorder toestablishajointdetectionsystemfor pesticide residues and heavy metals,high-eficiency extractionand purification technology combined with sophisticated instrumentsareused tocaryoutanalysis,andthe simultaneousdetection multi-targe pollutants isachieved.Moreover, a comprehensive safety evaluation model is constructed by limiting the standard,dietary exposure assssment and joint risk analysis, which provides a scientific basis for the supervision of tea quality and safety.

Key Words: tea safety; pesticide residues; heavy metal; joint detection; risk assessment

茶叶的质量安全面临农药残留与重金属污染双重威胁。（剩余7228字）