Determination of Heavy Metal Concentration in Scomberscombrus and Clupeaharengus Ice Fish Sold At Mubi Market
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 3
Abstract
Concentrations of six heavy metals (Iron (Fe), Lead (Pb), Nickel (Ni), Copper (Cu), Zinc (Zn) and Chromium (Cr)) in the flesh were investigated for two most consumed frozen fish species (Clupeaharengus and Scomberscombrus) in Mubi, metropolis. Samples were collected from Mubi market and taken to the Department of Fisheries and Aquaculture, Adamawa State University, Mubi for analysis.Length and Weight were measured using meter rule and weighing balance respectively.Wet digestion of the samples was doneand the concentrations of metals were evaluated using Atomic Absorption Spectrophotometer (AAS). Results revealed the highest concentrations of 18.152±0.696b , 0.036±0.001a , 0.040±0.003a , 19.590±0.012a , 0.019±0.001b and 0.082±0.018bc for Fe, Pb, Ni, Cu, Zn and Cr respectively in Clupeaharengus. In Scomberscombrus, the highest concentrations for Fe, Pb, Ni, Cu, Zn and Cr were 17.980±o.201a , 0.031±0.035b , 0.041±0.002a , 20.285±0.998, 0.012±0.011a and 0.065±0.001a respectively. In Clupeaharengus, a positive correlation (r=0.504) and (r=0.905) were obtained between Fe and standard length and Pb and Standard length respectively. Positive correlation (r=0.510 and r=0.658) was obtained between Fe and Pb with Weight of Clupeaharengus. Negative correlation (r=-0.552 and r=-0.814) was also obtained between Ni and Zn with standard length and weight of Clupeaharengus respectively. In Scomberscombrus, only Ni had a negative correlation (r=-0.816) with standard length. The result is within the international standards safe for consumption of these fish except for Cu.
Authors and Affiliations
Edward A
Keywords
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- EP ID EP414011
- DOI 10.9790/5736-1103011418.
- Views 141
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