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Consumption of arsenic and other elements from vegetables and drinking water from an arsenic-contaminated area of Bangladesh.
MedLine Citation:
PMID:  22939573     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The study assesses the daily consumption by adults of arsenic (As) and other elements in drinking water and home-grown vegetables in a severely As-contaminated area of Bangladesh. Most of the examined elements in drinking water were below the World Health Organization (WHO) guideline values except As. The median concentrations of As, cadmium (Cd), chromium (Cr), cobalt (Co), copper (Cu), lead (Pb), Mn, nickel (Ni), and zinc (Zn) in vegetables were 90μgkg(-1), 111μgkg(-1), 0.80mgkg(-1), 168μgkg(-1), 13mgkg(-1), 2.1mgkg(-1), 65mgkg(-1), 1.7mgkg(-1), and 50mgkg(-1), respectively. Daily intakes of As, Cd, Cr, Co, Cu, Pb, manganese (Mn), Ni, and Zn from vegetables and drinking water for adults were 839μg, 2.9μg, 20.8μg, 5.5μg, 0.35mg, 56.4μg, 2.0mg, 49.1μg, and 1.3mg, respectively. The health risks from consuming vegetables were estimated by comparing these figures with the WHO/FAO provisional tolerable weekly or daily intake (PTWI or PTDI). Vegetables alone contribute 0.05μg of As and 0.008mg of Cu per kg of body weight (bw) daily; 0.42μg of Cd, 8.77mg of Pb, and 0.03mg of Zn per kg bw weekly. Other food sources and particularly dietary staple rice need to be evaluated to determine the exact health risks from such foods.
Authors:
Mohammad Mahmudur Rahman; Md Asaduzzaman; Ravi Naidu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-30
Journal Detail:
Title:  Journal of hazardous materials     Volume:  -     ISSN:  1873-3336     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-9-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Affiliation:
Centre for Environmental Risk Assessment and Remediation (CERAR), University of South Australia, Mawson Lakes Campus, Mawson Lakes, South Australia, SA 5095, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC-CARE), P.O. Box 486, Salisbury South, SA 5106, Australia.
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