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来自中国的茶叶产品中的尼诺类残留物:人类暴露的污染模式和影响

Yulong Fan^1,2, Hongwei Jin³, Jinru Chen¹

¹Public Health Service Center, Bao'an District, Shenzhen 518105, China.

|July 25, 2025

概括

在中国茶叶中发现了类类药物 (NEO) 残留物,其中乙胺,丁诺富兰和伊米达克洛普里德是主要污染物. 虽然整体人类健康风险较低,但儿童面临更高的暴露,需要优化加工和有针对性的农药使用,以确保茶叶的安全.

科学领域:

食品化学食品化学
环境科学环境科学
毒理学毒理学毒理学

背景情况:

尼可类药物 (NEOs) 是广泛使用的杀虫剂.
茶饮是人类暴露于农药残留物的潜在途径.
关于茶叶产品中NEO污染的研究有限.

研究的目的:

为了评估中国茶中的六种NEO的残留特性.
调查茶叶加工对NEO残留物的影响.
评估与茶中的NEOs相关的人类暴露风险.

主要方法:

在137个茶样中分析了6种NEO (丁诺富兰, 伊米达克洛普里德, 乙胺普里德, 蒂亚美索克萨姆, 克洛西安丁, 蒂亚克洛普里德).
测量NEO残留水平和确定主要污染物的数量.
使用慢性和急性危险系数 (cHQ和aHQ) 的健康风险评估.

主要成果:

乙amiprid,dinotefuran和imidacloprid是占主导地位的NEOs,占总残留量的95.65%.
乌龙茶显示了最高的NEO总含量;草药茶由于加工而含有高的伊米达克洛普里德.
在44.5%的样本中,dinotefuran超过了欧盟的最大残留物限值;整体健康风险低于安全值,但儿童的暴露率更高.

结论:

茶叶加工对NEO残留物分布有很大的影响.
优化加工方法和农药的应用可以减轻风险.
调查结果支持加强茶叶安全法规和消费者健康保护.

关键词:

危害健康的风险人类暴露的人类暴露.尼奥尼科丁类药物是什么其余物质的特性茶叶茶茶茶茶茶茶茶茶茶茶茶茶茶茶茶茶茶茶茶叶加工茶叶加工

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