Monitoring and evaluating the dietary risk of trace elements content in bottled and hand?shaken tea in Taiwan

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Title:	Monitoring and evaluating the dietary risk of trace elements content in bottled and hand?shaken tea in Taiwan
Authors:	廖凱威 Wei-Shan Chin, Ling-Chu Chien, Ho-Ching Kao, Yung-Ning Chuang & Kai-Wei Liao
Contributors:	食品安全學系
Date:	2023-03
Issue Date:	2025-03-27 10:36:32 (UTC+8)
Abstract:	Abstract Tea is the most frequently consumed beverage worldwide and is obtained from the leaves Camellia sinensis. The traditional way of tea consumption through brewing is gradually being replaced by the consumption of bottled and hand-shaken tea. Despite the different ways of tea consumption, trace elements accumulation and contamination of tea leaves have caused concerns. However, limited studies have reported trace element concentrations in different types of tea in bottled or hand-shaken tea and their health risks. This study aimed to determine the level of trace elements (V, Cr, Co, As, Cd, Pb, Mn, and Zn) in green tea, black tea, and Oolong tea in two varieties of products (bottled and hand-shaken tea). The health risks associated with tea consumption in various age subgroups among Taiwan’s general population were also estimated. A Monte Carlo simulation was applied to estimate the distribution of daily trace elements intake through bottled and hand-shaken tea consumption. As to the non-carcinogenic risks, the Monte Carlo simulation showed that hand-shaken green tea had a higher percentage of hazard index (HI) >1 (1.08%~6.05%) among all age groups. As to carcinogenic risks, the Monte Carlo simulation showed that the risks of As exposure from bottled Oolong tea and hand-shaken black, green, and Oolong teas in the 90th percentile in >18 to ?65 and >65-year-old groups were higher than 10-6. The current study findings provided some information about trace elements of both bottled and hand-shaken tea and human health risks in the general population of Taiwan.
Relation:	Environ Sci Pollut Res 30, 55716–55729 (2023)
Description:	【112-3 升等】臺北醫學大學教師升等專門著作職別：專任送審等級：副教授著作送審
Data Type:	article
Appears in Collections:	[Scholarly output for promotion] 112 [School of Food Safety] article

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