Arsenic accumulation in rice (Oryza sativa L.): Human exposure through food chain

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dc.contributor.author Rahman, Mohammad en_US
dc.contributor.author Hasegawa, Hirosha en_US
dc.contributor.author Miah, M en_US
dc.contributor.author Tasmin, A en_US
dc.contributor.editor en_US
dc.date.accessioned 2012-02-02T06:26:10Z
dc.date.available 2012-02-02T06:26:10Z
dc.date.issued 2008 en_US
dc.identifier 2010005083 en_US
dc.identifier.citation Rahman Mohammad et al. 2008, 'Arsenic accumulation in rice (Oryza sativa L.): Human exposure through food chain', Elsevier Inc, vol. 69, no. 2, pp. 317-324. en_US
dc.identifier.issn 0147-6513 en_US
dc.identifier.other C1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/14761
dc.description.abstract Although human exposure to arsenic is thought to be caused mainly through arsenic-contaminated underground drinking water, the use of this water for irrigation enhances the possibility of arsenic uptake into crop plants. Rice is the staple food grain in Bangladesh. Arsenic content in straw, grain and husk of rice is especially important since paddy fields are extensively irrigated with underground water having high level of arsenic concentration. However, straw and husk are widely used as cattle feed. Arsenic concentration in rice grain was 0.5?0.02 mg kg-1 with the highest concentrations being in grains grown on soil treated with 40 mg As kg-1 soil. With the average rice consumption between 400 and 650 g/day by typical adults in the arsenic-affected areas of Bangladesh, the intake of arsenic through rice stood at 0.20?0.35 mg/day. With a daily consumption of 4 L drinking water, arsenic intake through drinking water stands at 0.2 mg/day. Moreover, when the rice plant was grown in 60 mg of As kg-1 soil, arsenic concentrations in rice straw were 20.6?0.52 at panicle initiation stage and 23.7?0.44 at maturity stage, whereas it was 1.6?0.20 mg kg-1 in husk. Cattle drink a considerable amount of water. So alike human beings, arsenic gets deposited into cattle body through rice straw and husk as well as from drinking water which in turn finds a route into the human body. Arsenic intake in human body from rice and cattle could be potentially important and it exists in addition to that from drinking water. Therefore, a hypothesis has been put forward elucidating the possible food chain pathways through which arsenic may enter into human body en_US
dc.language en_US
dc.publisher Elsevier Inc en_US
dc.relation.hasversion Accepted Manuscript version en_US
dc.relation.isbasedon http://dx.doi.org/10.1016/j.ecoenv.2007.01.005 en_US
dc.rights NOTICE: this is the author’s version of a work that was accepted for publication in Ecotoxicology and Environmental Safety. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Ecotoxicology and Environmental Safety, [Volume 69, Issue 2, February 2008, Pages 317–324] DOI#” http://dx.doi.org/10.1016/j.ecoenv.2007.01.005 en_US
dc.title Arsenic accumulation in rice (Oryza sativa L.): Human exposure through food chain en_US
dc.parent Ecotoxicology And Environmental Safety en_US
dc.journal.volume 69 en_US
dc.journal.number 2 en_US
dc.publocation San Diego, USA en_US
dc.identifier.startpage 317 en_US
dc.identifier.endpage 324 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 050200 en_US
dc.personcode 112851 en_US
dc.personcode 0000070237 en_US
dc.personcode 0000070279 en_US
dc.personcode 0000070280 en_US
dc.percentage 100 en_US
dc.classification.name Environmental Science and Management en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords Arsenic; Rice; Toxicity; Food chain; Human exposure en_US


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