Heavy metals health risk assessment for population via consumption of food crops and fruits in Owerri, South Eastern, Nigeria
Identifieur interne : 000B60 ( Pmc/Curation ); précédent : 000B59; suivant : 000B61Heavy metals health risk assessment for population via consumption of food crops and fruits in Owerri, South Eastern, Nigeria
Auteurs : Orish Ebere Orisakwe [Nigeria] ; John Kanayochukwu Nduka [Nigeria] ; Cecilia Nwadiuto Amadi [Nigeria] ; Daniel Onyekachi Dike [Nigeria] ; Onyinyechi Bede [Nigeria]Source :
- Chemistry Central Journal [ 1752-153X ] ; 2012.
Abstract
This study assessed lead, cadmium, and nickel level in food crops, fruits and soil samples from Ohaji and Umuagwo and Owerri in South Eastern Nigeria and estimated the potential health risks of metals. Samples were washed, oven-dried at 70–80°C for 24 h and powdered. Samples were digested with perchloric acid and nitric acid. Metals were analysed with Unicam Atomic Absorption Spectrophotometer.
The concentration of Pb, Cd, and Ni in Ohaji exceeded the maximum allowable concentrations for agricultural soil as recommended by EU. Lead, Cd, and Ni in the food crops were highest in Oryza sativa, Glycine max, and Pentabacta microfila respectively. Highest levels of Pb, Cd, and Ni, in fruits were detected in
Local food stuff commonly available in South Eastern Nigeria villages may contribute to the body burden of heavy metal. This is of public health importance.
Url:
DOI: 10.1186/1752-153X-6-77
PubMed: 22853175
PubMed Central: 3567425
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<author><name sortKey="Dike, Daniel Onyekachi" sort="Dike, Daniel Onyekachi" uniqKey="Dike D" first="Daniel Onyekachi" last="Dike">Daniel Onyekachi Dike</name>
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<author><name sortKey="Orisakwe, Orish Ebere" sort="Orisakwe, Orish Ebere" uniqKey="Orisakwe O" first="Orish Ebere" last="Orisakwe">Orish Ebere Orisakwe</name>
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<wicri:regionArea>Toxicology Unit, Clinical Pharmacy Faculty of Pharmacy University of PortHacourt Rivers State Nigeria, PortHacourt</wicri:regionArea>
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<author><name sortKey="Nduka, John Kanayochukwu" sort="Nduka, John Kanayochukwu" uniqKey="Nduka J" first="John Kanayochukwu" last="Nduka">John Kanayochukwu Nduka</name>
<affiliation wicri:level="1"><nlm:aff id="I2">Environmental Chemistry and Toxicology Research Unit, Pure and Industrial Chemistry Department, Nnamdi Azikiwe University, Nnewi, Awka Anambra State, Nigeria</nlm:aff>
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<author><name sortKey="Amadi, Cecilia Nwadiuto" sort="Amadi, Cecilia Nwadiuto" uniqKey="Amadi C" first="Cecilia Nwadiuto" last="Amadi">Cecilia Nwadiuto Amadi</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Toxicology Unit, Clinical Pharmacy Faculty of Pharmacy University of PortHacourt Rivers State Nigeria, PortHacourt, Nigeria</nlm:aff>
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<author><name sortKey="Dike, Daniel Onyekachi" sort="Dike, Daniel Onyekachi" uniqKey="Dike D" first="Daniel Onyekachi" last="Dike">Daniel Onyekachi Dike</name>
<affiliation wicri:level="1"><nlm:aff id="I3">Deartment of Medical Lab Science, Faculty of Science, Rivers State University of Science and Technology, PortHacourt, Rivers State, Nigeria</nlm:aff>
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<wicri:regionArea>Deartment of Medical Lab Science, Faculty of Science, Rivers State University of Science and Technology, PortHacourt, Rivers State</wicri:regionArea>
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<author><name sortKey="Bede, Onyinyechi" sort="Bede, Onyinyechi" uniqKey="Bede O" first="Onyinyechi" last="Bede">Onyinyechi Bede</name>
<affiliation wicri:level="1"><nlm:aff id="I3">Deartment of Medical Lab Science, Faculty of Science, Rivers State University of Science and Technology, PortHacourt, Rivers State, Nigeria</nlm:aff>
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<wicri:regionArea>Deartment of Medical Lab Science, Faculty of Science, Rivers State University of Science and Technology, PortHacourt, Rivers State</wicri:regionArea>
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<series><title level="j">Chemistry Central Journal</title>
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<imprint><date when="2012">2012</date>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>This study assessed lead, cadmium, and nickel level in food crops, fruits and soil samples from Ohaji and Umuagwo and Owerri in South Eastern Nigeria and estimated the potential health risks of metals. Samples were washed, oven-dried at 70–80°C for 24 h and powdered. Samples were digested with perchloric acid and nitric acid. Metals were analysed with Unicam Atomic Absorption Spectrophotometer.</p>
</sec>
<sec><title>Result</title>
<p>The concentration of Pb, Cd, and Ni in Ohaji exceeded the maximum allowable concentrations for agricultural soil as recommended by EU. Lead, Cd, and Ni in the food crops were highest in Oryza sativa, Glycine max, and Pentabacta microfila respectively. Highest levels of Pb, Cd, and Ni, in fruits were detected in <italic>Canarium schweinfurthii</italic>
, <italic>Citrus reticulata</italic>
, <italic>Ananas comosus</italic>
respectively. The true lead and cadmium intake for the rice based meal were 3.53 and 0.034 g/kg respectively. Whereas the true intake of lead and cadmium for the cassava based meal were 19.42 and 0.049 g/kg respectively.</p>
</sec>
<sec><title>Conclusion</title>
<p>Local food stuff commonly available in South Eastern Nigeria villages may contribute to the body burden of heavy metal. This is of public health importance.</p>
</sec>
</div>
</front>
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<front><journal-meta><journal-id journal-id-type="nlm-ta">Chem Cent J</journal-id>
<journal-id journal-id-type="iso-abbrev">Chem Cent J</journal-id>
<journal-title-group><journal-title>Chemistry Central Journal</journal-title>
</journal-title-group>
<issn pub-type="epub">1752-153X</issn>
<publisher><publisher-name>BioMed Central</publisher-name>
</publisher>
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<article-meta><article-id pub-id-type="pmid">22853175</article-id>
<article-id pub-id-type="pmc">3567425</article-id>
<article-id pub-id-type="publisher-id">1752-153X-6-77</article-id>
<article-id pub-id-type="doi">10.1186/1752-153X-6-77</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Heavy metals health risk assessment for population via consumption of food crops and fruits in Owerri, South Eastern, Nigeria</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" corresp="yes" id="A1"><name><surname>Orisakwe</surname>
<given-names>Orish Ebere</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>eorish@aol.com</email>
</contrib>
<contrib contrib-type="author" id="A2"><name><surname>Nduka</surname>
<given-names>John Kanayochukwu</given-names>
</name>
<xref ref-type="aff" rid="I2">2</xref>
<email>john.nduka2001@yahoo.co.uk</email>
</contrib>
<contrib contrib-type="author" id="A3"><name><surname>Amadi</surname>
<given-names>Cecilia Nwadiuto</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>nwadiuto@yahoo.com</email>
</contrib>
<contrib contrib-type="author" id="A4"><name><surname>Dike</surname>
<given-names>Daniel Onyekachi</given-names>
</name>
<xref ref-type="aff" rid="I3">3</xref>
<email>globaldesire@yahoo.com</email>
</contrib>
<contrib contrib-type="author" id="A5"><name><surname>Bede</surname>
<given-names>Onyinyechi</given-names>
</name>
<xref ref-type="aff" rid="I3">3</xref>
<email>globaldesire@yahoo.com</email>
</contrib>
</contrib-group>
<aff id="I1"><label>1</label>
Toxicology Unit, Clinical Pharmacy Faculty of Pharmacy University of PortHacourt Rivers State Nigeria, PortHacourt, Nigeria</aff>
<aff id="I2"><label>2</label>
Environmental Chemistry and Toxicology Research Unit, Pure and Industrial Chemistry Department, Nnamdi Azikiwe University, Nnewi, Awka Anambra State, Nigeria</aff>
<aff id="I3"><label>3</label>
Deartment of Medical Lab Science, Faculty of Science, Rivers State University of Science and Technology, PortHacourt, Rivers State, Nigeria</aff>
<pub-date pub-type="collection"><year>2012</year>
</pub-date>
<pub-date pub-type="epub"><day>1</day>
<month>8</month>
<year>2012</year>
</pub-date>
<volume>6</volume>
<fpage>77</fpage>
<lpage>77</lpage>
<history><date date-type="received"><day>30</day>
<month>3</month>
<year>2012</year>
</date>
<date date-type="accepted"><day>9</day>
<month>7</month>
<year>2012</year>
</date>
</history>
<permissions><copyright-statement>Copyright ©2012 Orisakwe et al.; licensee Chemistry Central Ltd.</copyright-statement>
<copyright-year>2012</copyright-year>
<copyright-holder>Orisakwe et al.; licensee Chemistry Central Ltd.</copyright-holder>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.0"><license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0">http://creativecommons.org/licenses/by/2.0</ext-link>
), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<self-uri xlink:href="http://journal.chemistrycentral.com/content/6/1/77"></self-uri>
<abstract><sec><title>Background</title>
<p>This study assessed lead, cadmium, and nickel level in food crops, fruits and soil samples from Ohaji and Umuagwo and Owerri in South Eastern Nigeria and estimated the potential health risks of metals. Samples were washed, oven-dried at 70–80°C for 24 h and powdered. Samples were digested with perchloric acid and nitric acid. Metals were analysed with Unicam Atomic Absorption Spectrophotometer.</p>
</sec>
<sec><title>Result</title>
<p>The concentration of Pb, Cd, and Ni in Ohaji exceeded the maximum allowable concentrations for agricultural soil as recommended by EU. Lead, Cd, and Ni in the food crops were highest in Oryza sativa, Glycine max, and Pentabacta microfila respectively. Highest levels of Pb, Cd, and Ni, in fruits were detected in <italic>Canarium schweinfurthii</italic>
, <italic>Citrus reticulata</italic>
, <italic>Ananas comosus</italic>
respectively. The true lead and cadmium intake for the rice based meal were 3.53 and 0.034 g/kg respectively. Whereas the true intake of lead and cadmium for the cassava based meal were 19.42 and 0.049 g/kg respectively.</p>
</sec>
<sec><title>Conclusion</title>
<p>Local food stuff commonly available in South Eastern Nigeria villages may contribute to the body burden of heavy metal. This is of public health importance.</p>
</sec>
</abstract>
<kwd-group><kwd>Heavy metal</kwd>
<kwd>Food crops</kwd>
<kwd>Toxicity</kwd>
<kwd>Dietary intake</kwd>
<kwd>Risk assessment</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
</record>
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