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Occurrence of pesticides in white tea and a corresponding risk exposure assessment for the different residents in Fujian, China

文献类型： 外文期刊

作者： Yao, Qinghua 1 ; Li, Jie 2 ; Yan, Sun-an 1 ; Huang, Minmin 1 ; Lin, Qiu 1 ;

作者机构： 1.Fujian Acad Agr Sci, Inst Qual Stand Testing Technol Agroprod, Fujian Key Lab Agroprod Qual & Safety, 247 Wu Si Rd, Fuzhou, Peoples R China

2.Tech Ctr Rongcheng Customs Dist, Fuzhou, Peoples R China

关键词： deterministic assessment; risk ranking; semiprobabilistic assessment; tea

期刊名称：JOURNAL OF FOOD SCIENCE （ 影响因子：3.167； 五年影响因子：3.377 ）

ISSN： 0022-1147

年卷期： 2021 年 86 卷 8 期

页码：

收录情况： SCI

摘要： White tea has been of increasing public interest worldwide owing to its health benefits. Based on 2 years of surveillance, the long-term and cumulative chronic exposure risks of pesticide residues through white tea drinking were assessed for different subpopulations in Fujian, China. Twenty-five different pesticides were found, and 74.8% of samples contained at least one pesticide residue. The most frequently detected pesticide was bifenthrin with detection rates of 61.6%. Risk assessment was performed using both the deterministic approach and semiprobabilistic model under the best-case and the worst-case scenarios. The results demonstrated that the dietary risks were extremely low for six different subpopulations in which the risks for adults over the age of 41 were relatively higher. The risk ranking scheme indicated that isocarbophos and triazophos were considered to be of medium risk. The different use suggestions for the 25 positive pesticides are proposed to further minimize the exposure risk to consumer health. Practical Application Tea is the second most popular nonalcoholic beverage throughout the world. Pesticides are used to improve the yield of tea. Pesticide residues in tea could be one of the exposure pathways for consumers. Monitoring residual levels and assessing the health risk assessment in tea are thus in an urge.

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