茶叶中手性农药残留分析与风险评估研究进展

doi:10.13305/j.cnki.jts.2024.03.013

摘要/Abstract

摘要： 手性农药存在一个或多个对映体,其对映体在生物活性、毒性、环境行为、降解代谢等方面可能存在差异。茶叶作为三大无酒精饮品之一,其质量安全问题备受关注。虽然目前更关注手性农药外消旋体残留总量,但随着分析技术的发展,同时为了更好地发挥药效、减少残留及对非靶标物危害,充分了解茶叶中手性农药对映体的立体选择性行为,分析在茶叶中的残留降解规律,建立对映体的残留限量标准显得尤为重要。综述了茶叶中手性农药对映体残留检测技术现状,如液相色谱法、气相色谱法和超临界流体色谱法等方法,并对手性农药对映体在茶叶中的残留降解行为和风险评估进行归纳和展望,为后续深入开展茶叶中手性农药对映体的相关研究提供借鉴。

关键词: 茶叶, 手性农药, 对映体, 残留分析, 风险评估

Abstract: Chiral pesticides have one or more enantiomers, and their biological activity, toxicity, environmental behavior, degradation and metabolism may be different. Tea, as one of the three major beverages, has attracted much attention in terms of quality and safety. However, more attention is currently paid to the total amount of pesticide racemate residues. With the development of analytical techniques, it is particularly crucial to fully understand the stereoselective behavior of the chiral pesticide enantiomer in tea, as well as to examine residue degradation in tea and to set the maximum residue limits for enantiomers. This would help to improve the efficacies of chiral pesticides and reduce their residues and toxicities to non-target organisms. In this paper, the current status of chiral pesticide separation and residue detection technology in tea were reviewed, such as liquid chromatography, gas chromatography and supercritical fluid chromatography. In addition, it provided a summary of the residue degradation behaviors and risk assessment of chiral pesticide enantiomers in tea, which would be useful as a guide for further in-depth studies on chiral pesticide enantiomers in tea.

Key words: tea, chiralpesticide, enantiomer, residue analysis, risk assessment

中图分类号:

S571.1
S482

胡月, 宁亚婷, 黎洪霞, 罗逢健, 尹荣秀, 张新忠. 茶叶中手性农药残留分析与风险评估研究进展[J]. 茶叶科学, 2024, 44(3): 363-385. doi: 10.13305/j.cnki.jts.2024.03.013.

HU Yue, NING Yating, LI Hongxia, LUO Fengjian, YIN Rongxiu, ZHANG Xinzhong. Research Progress in the Residue Analysis and Risk Assessment of Chiral Pesticides in Tea[J]. Journal of Tea Science, 2024, 44(3): 363-385. doi: 10.13305/j.cnki.jts.2024.03.013.

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