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Heavy metals and probabilistic risk assessment via Prunella vulgaris (food and medicine homology) consumption in Guangdong Province, China.

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Title: Heavy metals and probabilistic risk assessment via Prunella vulgaris (food and medicine homology) consumption in Guangdong Province, China.
Authors: Huang, Rui, Chen, Shaowei, Wang, Ping, Zhu, Pan, Xu, Xiumin, Chen, Zihui, Peng, Jiewen
Source: Toxicology Research; Oct2024, Vol. 13 Issue 5, p1-6, 6p
Subject Terms: HEAVY metals, MONTE Carlo method, LEAD, CHINESE medicine, HERBAL teas, ARSENIC
Abstract: Prunella vulgaris is widely used as the main ingredient of herb tea in Southeast Asia, as well as a traditional Chinese medicine. However, the heavy metal contaminations such as arsenic, cadmium, mercury and lead in P. vulgaris may be a cause for concern due to the environment pollution around, plantation and processing contamination. Thus, this study intented to assess both non-carcinogenic risks and carcinogenic risks attributed to cumulative exposure to the four heavy metals in P. vulgaris. The contaminations levels of heavy metals were determined in 90 batches of P. vulgaris. And the consumption level was obtained through a questionnaire survey among a total of 6,235 adult participants in Guangdong province. This study estimated the probabilistic health risks using Monte Carlo simulation, and found that the estimated mean and the 95th percentile values for cumulative noncarcinogenic risk (HI value) and carcinogenic risk (TCR value) of P. vulgaris were all within the acceptable risk. And the assessment results indicated that arsenic was the primary contributors to both noncarcinogenic and carcinogenic risks through P. vulgaris consumption. These findings and continuing the surveillance of heavy metals in P. vulgaris will be particularly relevant to both consumers and policy makers. [ABSTRACT FROM AUTHOR]
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Database: Complementary Index
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Abstract:Prunella vulgaris is widely used as the main ingredient of herb tea in Southeast Asia, as well as a traditional Chinese medicine. However, the heavy metal contaminations such as arsenic, cadmium, mercury and lead in P. vulgaris may be a cause for concern due to the environment pollution around, plantation and processing contamination. Thus, this study intented to assess both non-carcinogenic risks and carcinogenic risks attributed to cumulative exposure to the four heavy metals in P. vulgaris. The contaminations levels of heavy metals were determined in 90 batches of P. vulgaris. And the consumption level was obtained through a questionnaire survey among a total of 6,235 adult participants in Guangdong province. This study estimated the probabilistic health risks using Monte Carlo simulation, and found that the estimated mean and the 95th percentile values for cumulative noncarcinogenic risk (HI value) and carcinogenic risk (TCR value) of P. vulgaris were all within the acceptable risk. And the assessment results indicated that arsenic was the primary contributors to both noncarcinogenic and carcinogenic risks through P. vulgaris consumption. These findings and continuing the surveillance of heavy metals in P. vulgaris will be particularly relevant to both consumers and policy makers. [ABSTRACT FROM AUTHOR]
ISSN:2045452X
DOI:10.1093/toxres/tfae142