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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Inorganic arsenic and trace elements in Ghanaian grain staples
Environmental Pollution, Volume 159, No. 10, Year 2011
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Description
A total of 549 samples of rice, maize, wheat, sorghum and millet were obtained from markets in Ghana, the EU, US and Asia. Analysis of the samples, originating from 21 countries in 5 continents, helped to establish global mean trace element concentrations in grains; thus placing the Ghanaian data within a global context. Ghanaian rice was generally low in potentially toxic elements, but high in essential nutrient elements. Arsenic concentrations in rice from US (0.22 mg/kg) and Thailand (0.15 mg/kg) were higher than in Ghanaian rice (0.11 mg/kg). Percentage inorganic arsenic content of the latter (83%) was, however, higher than for US (42%) and Thai rice (67%). Total arsenic concentration in Ghanaian maize, sorghum and millet samples (0.01 mg/kg) was an order of magnitude lower than in Ghanaian rice, indicating that a shift from rice-centric to multigrain diets could help reduce health risks posed by dietary exposure to inorganic As. © 2010 Published by Elsevier Ltd.
Authors & Co-Authors
Adomako, Eureka E.A.
United Kingdom, Aberdeen
University of Aberdeen
Ghana, Accra
University of Ghana
Williams, Paul N.
United Kingdom, Lancaster
Lancaster Environment Centre
Deacon, Claire M.
United Kingdom, Aberdeen
University of Aberdeen
Meharg, Andrew A.
United Kingdom, Aberdeen
University of Aberdeen
Statistics
Citations: 80
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1016/j.envpol.2011.06.031
ISSN:
02697491
e-ISSN:
18736424
Research Areas
Environmental
Study Locations
Ghana