Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk

Arsenic is a well-known carcinogen with emerging reports showing a range of health outcomes even for low to moderate levels of exposure. This study deals with arsenic exposure and associated increased lifetime cancer risk for populations in arsenic-endemic regions of rural Bengal, where arsenic-safe...

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Autores principales:	Bratisha Biswas, Arijit Chakraborty, Debashis Chatterjee, Sreemanta Pramanik, Bhaswati Ganguli, Kunal Kanti Majumdar, Jerome Nriagu, Ketki Y. Kulkarni, Amit Bansiwal, Pawan Labhasetwar, Subhamoy Bhowmick
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Arsenic Rice Drinking water Exposure assessment Cancer risk Environmental pollution TD172-193.5 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/18f8e3b43dbe419c9a9f392bfadb2346
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spelling	oai:doaj.org-article:18f8e3b43dbe419c9a9f392bfadb23462021-11-26T04:23:20ZArsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk0147-651310.1016/j.ecoenv.2021.113012https://doaj.org/article/18f8e3b43dbe419c9a9f392bfadb23462021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0147651321011246https://doaj.org/toc/0147-6513Arsenic is a well-known carcinogen with emerging reports showing a range of health outcomes even for low to moderate levels of exposure. This study deals with arsenic exposure and associated increased lifetime cancer risk for populations in arsenic-endemic regions of rural Bengal, where arsenic-safe drinking water is being supplied at present. We found a median total exposure of inorganic arsenic to be 2. 9 μg/Kg BW/day (5th and 95th percentiles were 1.1 μg/Kg BW/day and 7.9 μg/Kg BW/day); with major contribution from cooked rice intake (2.4 µg/Kg BW/day). A significant number of households drank arsenic safe water but used arsenic-rich water for rice cooking. As a result, 67% participants had inorganic arsenic intake above the JEFCA threshold value of 3 μg/Kg BW/day for cancer risk from only rice consumption when arsenic contaminated water was used for cooking (median: 3.5 μg/Kg BW/day) compared to 29% participants that relied on arsenic-free cooking water (median: 1.0 µg/kg BW/day). Arsenic in urine samples of study participants ranged from 31.7 to 520 µg/L and was significantly associated with the arsenic intake (r = 0.76); confirming the preponderance of arsenic exposure from cooked rice. The median arsenic attributable cancer risks from drinking water and cooked rice were estimated to be 2.4 × 10-5 and 2.7 × 10-4 respectively, which further emphasized the importance of arsenic exposure from staple diet. Our results show that any mitigation strategy should include both drinking water and local staple foods in order to minimize the potential health risks of arsenic exposure.Bratisha BiswasArijit ChakrabortyDebashis ChatterjeeSreemanta PramanikBhaswati GanguliKunal Kanti MajumdarJerome NriaguKetki Y. KulkarniAmit BansiwalPawan LabhasetwarSubhamoy BhowmickElsevierarticleArsenicRiceDrinking waterExposure assessmentCancer riskEnvironmental pollutionTD172-193.5Environmental sciencesGE1-350ENEcotoxicology and Environmental Safety, Vol 228, Iss , Pp 113012- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Arsenic Rice Drinking water Exposure assessment Cancer risk Environmental pollution TD172-193.5 Environmental sciences GE1-350
spellingShingle	Arsenic Rice Drinking water Exposure assessment Cancer risk Environmental pollution TD172-193.5 Environmental sciences GE1-350 Bratisha Biswas Arijit Chakraborty Debashis Chatterjee Sreemanta Pramanik Bhaswati Ganguli Kunal Kanti Majumdar Jerome Nriagu Ketki Y. Kulkarni Amit Bansiwal Pawan Labhasetwar Subhamoy Bhowmick Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk
description	Arsenic is a well-known carcinogen with emerging reports showing a range of health outcomes even for low to moderate levels of exposure. This study deals with arsenic exposure and associated increased lifetime cancer risk for populations in arsenic-endemic regions of rural Bengal, where arsenic-safe drinking water is being supplied at present. We found a median total exposure of inorganic arsenic to be 2. 9 μg/Kg BW/day (5th and 95th percentiles were 1.1 μg/Kg BW/day and 7.9 μg/Kg BW/day); with major contribution from cooked rice intake (2.4 µg/Kg BW/day). A significant number of households drank arsenic safe water but used arsenic-rich water for rice cooking. As a result, 67% participants had inorganic arsenic intake above the JEFCA threshold value of 3 μg/Kg BW/day for cancer risk from only rice consumption when arsenic contaminated water was used for cooking (median: 3.5 μg/Kg BW/day) compared to 29% participants that relied on arsenic-free cooking water (median: 1.0 µg/kg BW/day). Arsenic in urine samples of study participants ranged from 31.7 to 520 µg/L and was significantly associated with the arsenic intake (r = 0.76); confirming the preponderance of arsenic exposure from cooked rice. The median arsenic attributable cancer risks from drinking water and cooked rice were estimated to be 2.4 × 10-5 and 2.7 × 10-4 respectively, which further emphasized the importance of arsenic exposure from staple diet. Our results show that any mitigation strategy should include both drinking water and local staple foods in order to minimize the potential health risks of arsenic exposure.
format	article
author	Bratisha Biswas Arijit Chakraborty Debashis Chatterjee Sreemanta Pramanik Bhaswati Ganguli Kunal Kanti Majumdar Jerome Nriagu Ketki Y. Kulkarni Amit Bansiwal Pawan Labhasetwar Subhamoy Bhowmick
author_facet	Bratisha Biswas Arijit Chakraborty Debashis Chatterjee Sreemanta Pramanik Bhaswati Ganguli Kunal Kanti Majumdar Jerome Nriagu Ketki Y. Kulkarni Amit Bansiwal Pawan Labhasetwar Subhamoy Bhowmick
author_sort	Bratisha Biswas
title	Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk
title_short	Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk
title_full	Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk
title_fullStr	Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk
title_full_unstemmed	Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk
title_sort	arsenic exposure from drinking water and staple food (rice): a field scale study in rural bengal for assessment of human health risk
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/18f8e3b43dbe419c9a9f392bfadb2346
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Arsenic exposure from drinking water and staple food (rice): A field scale study in rural Bengal for assessment of human health risk

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