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Pakistan Journal of Nutrition
  Year: 2011 | Volume: 10 | Issue: 10 | Page No.: 959-964
DOI: 10.3923/pjn.2011.959.964
 
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Heavy Metal Contamination of Ready-to-use Herbal Remedies in South Eastern Nigeria
Chris O. Nwoko and Leo Mgbeahuruike

Abstract:
The Zn, Cd and Pb content of selected ready-to-use herbal remedies in Southeast Nigeria were determined by Atomic Absorption spectrophotometer (Model 2380 Perkine Elmer Inc., Norwalk, CT, USA) after acid digestion with 5:1:1 HNO3: HClO4: H2SO4. The concentration levels of Pb, Cd were generally high and above the safe limits set by WHO/FAO. Only Tunya B.fil, Virgy virgy worm expeller and Sekin powder had Zn concentrations above international safe limits representing 20% of the tested herbal remedies. The consumers of these herbal products are inadvertently exposed to heavy metal poisoning. It is important that regulators should intensify efforts to minimize human exposure risk.
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How to cite this article:

Chris O. Nwoko and Leo Mgbeahuruike , 2011. Heavy Metal Contamination of Ready-to-use Herbal Remedies in South Eastern Nigeria. Pakistan Journal of Nutrition, 10: 959-964.

DOI: 10.3923/pjn.2011.959.964

URL: https://scialert.net/abstract/?doi=pjn.2011.959.964

 
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