Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption

Hydrological management of the Three Gorges Dam has resulted in the interception of heavy metals in the Three Gorges Reservoir (TGR). However, the exposure to heavy metals and health risks among local residents remained poorly understood. Here we collected 208 biomarker samples (hair) and 20 food sp...

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Autores principales:	Jingwen Yang, Qing Xie, Yongmin Wang, Juan Wang, Yongjiang Zhang, Cheng Zhang, Dingyong Wang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Human hair Heavy metals Food consumption Health risk Three Gorges Reservoir (TGR) Environmental pollution TD172-193.5 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/37a8854476ea48149eded66bec887345
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spelling	oai:doaj.org-article:37a8854476ea48149eded66bec8873452021-11-22T04:16:40ZExposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption0147-651310.1016/j.ecoenv.2021.112997https://doaj.org/article/37a8854476ea48149eded66bec8873452021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S014765132101109Xhttps://doaj.org/toc/0147-6513Hydrological management of the Three Gorges Dam has resulted in the interception of heavy metals in the Three Gorges Reservoir (TGR). However, the exposure to heavy metals and health risks among local residents remained poorly understood. Here we collected 208 biomarker samples (hair) and 20 food species from typical regions in the TGR to assess the exposure levels of three toxic metals (Cr, Pb and As) in residents of the TGR, and subsequently investigated their health risk via dietary intake. Results indicated that hair Cr and As levels were below the reference value for normal people and threshold of skin lesions, respectively, whereas about 22% hair Pb exceeded the reference for clinical medicine, indicating a potential Pb exposure of local residents. Smoking habit and fish consumption were found to be predictors for hair Pb. In addition, the concentrations of heavy metals in all investigated food samples were below the limits of contaminants in food in China, except for Pb in the sweet potato and fish. The estimated daily intake of metals (DIMs) revealed that the intakes of Cr and As from studied food were under the recommended thresholds of Cr and As. However, the intake of Pb via diet exceeded the limit of the prevalence of chronic kidney disease and closed to the threshold for cardiovascular, which was probably associated with the high Pb concentrations of fish and sweet potato. Overall, residents around the TGR were at low exposure to Cr and As, but Pb exposure may need more attention.Jingwen YangQing XieYongmin WangJuan WangYongjiang ZhangCheng ZhangDingyong WangElsevierarticleHuman hairHeavy metalsFood consumptionHealth riskThree Gorges Reservoir (TGR)Environmental pollutionTD172-193.5Environmental sciencesGE1-350ENEcotoxicology and Environmental Safety, Vol 228, Iss , Pp 112997- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Human hair Heavy metals Food consumption Health risk Three Gorges Reservoir (TGR) Environmental pollution TD172-193.5 Environmental sciences GE1-350
spellingShingle	Human hair Heavy metals Food consumption Health risk Three Gorges Reservoir (TGR) Environmental pollution TD172-193.5 Environmental sciences GE1-350 Jingwen Yang Qing Xie Yongmin Wang Juan Wang Yongjiang Zhang Cheng Zhang Dingyong Wang Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption
description	Hydrological management of the Three Gorges Dam has resulted in the interception of heavy metals in the Three Gorges Reservoir (TGR). However, the exposure to heavy metals and health risks among local residents remained poorly understood. Here we collected 208 biomarker samples (hair) and 20 food species from typical regions in the TGR to assess the exposure levels of three toxic metals (Cr, Pb and As) in residents of the TGR, and subsequently investigated their health risk via dietary intake. Results indicated that hair Cr and As levels were below the reference value for normal people and threshold of skin lesions, respectively, whereas about 22% hair Pb exceeded the reference for clinical medicine, indicating a potential Pb exposure of local residents. Smoking habit and fish consumption were found to be predictors for hair Pb. In addition, the concentrations of heavy metals in all investigated food samples were below the limits of contaminants in food in China, except for Pb in the sweet potato and fish. The estimated daily intake of metals (DIMs) revealed that the intakes of Cr and As from studied food were under the recommended thresholds of Cr and As. However, the intake of Pb via diet exceeded the limit of the prevalence of chronic kidney disease and closed to the threshold for cardiovascular, which was probably associated with the high Pb concentrations of fish and sweet potato. Overall, residents around the TGR were at low exposure to Cr and As, but Pb exposure may need more attention.
format	article
author	Jingwen Yang Qing Xie Yongmin Wang Juan Wang Yongjiang Zhang Cheng Zhang Dingyong Wang
author_facet	Jingwen Yang Qing Xie Yongmin Wang Juan Wang Yongjiang Zhang Cheng Zhang Dingyong Wang
author_sort	Jingwen Yang
title	Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption
title_short	Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption
title_full	Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption
title_fullStr	Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption
title_full_unstemmed	Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption
title_sort	exposure of the residents around the three gorges reservoir, china to chromium, lead and arsenic and their health risk via food consumption
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/37a8854476ea48149eded66bec887345
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Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption

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