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Heavy metals in wheat grain: assessment of potential health risk for inhabitants in Kunshan, China.
Sci Total Environ 2008; 405(1-3):54-61ST

Abstract

Heavy metals (HMs) may cause deleterious effects on human health due to the ingestion of food grain grown in contaminated soils. Concentrations of HMs (Hg, As, Cr, Cu, Ni, Pb, Zn and Cd) in wheat grains were investigated in different areas of a developed industry city in Southeast China (Kunshan city), and their potential risk to health of inhabitants was estimated. The results showed that concentrations of HMs in the top soil (0-15 cm) were in this order: Zn>Cr>Ni>Pb>Cu>As>Hg>Cd. The Zn, Cr, Ni Cd and Hg concentrations of several soil samples exceeded the permissible limits of China standard. In addition, concentrations of HMs in wheat grain decreased in the order of Zn>Cu>Pb>Cr>Ni>Cd>As>Hg. There were 1, 6 and 10 wheat samples whose Zn, Pb and Cd concentrations were above the permissible limits of China standard, respectively. In relation to non-carcinogenic risks, Hazard Quotient (HQ) of individual metal presented values inside the safe interval. However, health risk due to the added effects of eight HMs was significant for rural children and rural adults, but not for urban adults and urban children. HQ (individual risk) and HI (Hazard Index of aggregate risk) to different inhabitants due to HMs followed the same sequence of: country children>country adults>urban children>urban adults. Amongst the HMs, potential health hazards due to As, Cu, Cd and Pb were great, and that due to Cr was the minimum. It was suggested to pay more attention on the potential added threat of HMs to the health of country inhabitants (both children and adults) through consumption of wheat in Kunshan.

Authors+Show Affiliations

College of Resources and Environment of China Agriculture University, Beijing, China.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18701141

Citation

Huang, Mingli, et al. "Heavy Metals in Wheat Grain: Assessment of Potential Health Risk for Inhabitants in Kunshan, China." The Science of the Total Environment, vol. 405, no. 1-3, 2008, pp. 54-61.
Huang M, Zhou S, Sun B, et al. Heavy metals in wheat grain: assessment of potential health risk for inhabitants in Kunshan, China. Sci Total Environ. 2008;405(1-3):54-61.
Huang, M., Zhou, S., Sun, B., & Zhao, Q. (2008). Heavy metals in wheat grain: assessment of potential health risk for inhabitants in Kunshan, China. The Science of the Total Environment, 405(1-3), pp. 54-61. doi:10.1016/j.scitotenv.2008.07.004.
Huang M, et al. Heavy Metals in Wheat Grain: Assessment of Potential Health Risk for Inhabitants in Kunshan, China. Sci Total Environ. 2008 Nov 1;405(1-3):54-61. PubMed PMID: 18701141.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Heavy metals in wheat grain: assessment of potential health risk for inhabitants in Kunshan, China. AU - Huang,Mingli, AU - Zhou,Shenglu, AU - Sun,Bo, AU - Zhao,Qiguo, Y1 - 2008/08/13/ PY - 2008/04/22/received PY - 2008/06/28/revised PY - 2008/07/02/accepted PY - 2008/8/15/pubmed PY - 2009/1/16/medline PY - 2008/8/15/entrez SP - 54 EP - 61 JF - The Science of the total environment JO - Sci. Total Environ. VL - 405 IS - 1-3 N2 - Heavy metals (HMs) may cause deleterious effects on human health due to the ingestion of food grain grown in contaminated soils. Concentrations of HMs (Hg, As, Cr, Cu, Ni, Pb, Zn and Cd) in wheat grains were investigated in different areas of a developed industry city in Southeast China (Kunshan city), and their potential risk to health of inhabitants was estimated. The results showed that concentrations of HMs in the top soil (0-15 cm) were in this order: Zn>Cr>Ni>Pb>Cu>As>Hg>Cd. The Zn, Cr, Ni Cd and Hg concentrations of several soil samples exceeded the permissible limits of China standard. In addition, concentrations of HMs in wheat grain decreased in the order of Zn>Cu>Pb>Cr>Ni>Cd>As>Hg. There were 1, 6 and 10 wheat samples whose Zn, Pb and Cd concentrations were above the permissible limits of China standard, respectively. In relation to non-carcinogenic risks, Hazard Quotient (HQ) of individual metal presented values inside the safe interval. However, health risk due to the added effects of eight HMs was significant for rural children and rural adults, but not for urban adults and urban children. HQ (individual risk) and HI (Hazard Index of aggregate risk) to different inhabitants due to HMs followed the same sequence of: country children>country adults>urban children>urban adults. Amongst the HMs, potential health hazards due to As, Cu, Cd and Pb were great, and that due to Cr was the minimum. It was suggested to pay more attention on the potential added threat of HMs to the health of country inhabitants (both children and adults) through consumption of wheat in Kunshan. SN - 0048-9697 UR - https://www.unboundmedicine.com/medline/citation/18701141/Heavy_metals_in_wheat_grain:_assessment_of_potential_health_risk_for_inhabitants_in_Kunshan_China_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0048-9697(08)00721-3 DB - PRIME DP - Unbound Medicine ER -