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Accumulation of Heavy Metals and Metalloid in Foodstuffs from Agricultural Soils around Tarkwa Area in Ghana, and Associated Human Health Risks

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Title: Accumulation of Heavy Metals and Metalloid in Foodstuffs from Agricultural Soils around Tarkwa Area in Ghana, and Associated Human Health Risks
Authors: Bortey-Sam, Nesta Browse this author
Nakayama, Shouta M. M. Browse this author →KAKEN DB
Akoto, Osei Browse this author
Ikenaka, Yoshinori Browse this author →KAKEN DB
Fobil, Julius N. Browse this author
Baidoo, Elvis Browse this author
Mizukawa, Hazuki Browse this author →KAKEN DB
Ishizuka, Mayumi Browse this author →KAKEN DB
Keywords: metals
metalloid
health risk
foodstuff
bioconcentration factor
target hazard quotient
Issue Date: Aug-2015
Publisher: MDPI
Journal Title: International Journal of Environmental Research and Public Health
Volume: 12
Issue: 8
Start Page: 8811
End Page: 8827
Publisher DOI: 10.3390/ijerph120808811
Abstract: This study was carried out to assess the extent of heavy metals and metalloid accumulation from agricultural soils to foodstuffs (viz, M. esculenta (cassava) and Musa paradisiaca (plantain)) around thirteen neighboring communities within Tarkwa, Ghana; and to estimate the human health risk associated with consumption of these foodstuffs. Concentrations of As, Cd, Co, Cr, Cu, Ni, Pb, and Zn were measured with an inductively coupled plasma-mass spectrometer and mercury analysis was done using a mercury analyzer. From the results, 30% of cassava samples collected, contained higher concentrations of Pb when compared to Codex Alimentarius Commission standard values. Bioconcentration factor indicated that Ni had higher capacity of absorption into food crops from soil than the other heavy metals. For both children and adults, the target hazard quotient (THQ) of Pb in cassava in communities such as Techiman, Wangarakrom, Samahu, and Tebe (only children) were greater than 1, which is defined as an acceptable risk value. This indicated that residents could be exposed to significant health risks associated with cassava consumption.
Rights: http://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/60173
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 石塚 真由美

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