Assessment of Heavy Metals Levels in Some Commonly Consumed Species of Prawns in Southwestern Nigeria
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 4
Abstract
Three different kinds of prawns (Macrobrachium Felicium (MF), Macrobrachium macrobrachium (MM) and Demoscaris Trispinose (DT)) were collected from Ilaje (water side) area of Ondo State, Nigeria. The concentrations of heavy metals namely Pb, Cr, Cu, Cd and Mn in these samples were evaluated by Atomic Absorption spectrometry. The determined concentration of heavy metals Pb, Cd and Mn in all the samples, except the concentration of Pb in MF, are found to be higher than the maximum permissible values prescribed by WHO in 1989. Contrarily, the concentrations of Cr and Cu in all the species are lower than their respective prescribed values. The levels of Pb, Cd, and Mn obtained in this report poses a serious treats to human in all the three species of prawns, therefore, these aquatic species must be carefully examined before consumption.
Authors and Affiliations
Ebenezer O. Oniya
Keywords
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