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Distribution of Heavy Metals in the Liver, Kidney and Meat of Beef, Mutton, Caprine and Chicken from Kasuwan Shanu Market in Maiduguri Metropolis, Borno State, Nigeria
並列摘要
This study was to determine the concentrations of heavy metals (Cu, Zn, Co, Mn, Mg, Fe, Cr, Cd, As, Ni and Pb) in liver, kidney and meat of beef (cow), mutton (sheep), caprine (goat) and chicken, from Kasuwan Shanu Market in Maiduguri Metropolis, Borno State, Nigeria by using Perkin-Elmer Analyst 300 Atomic Absorption Spectroscopy (AAS). The levels of heavy metals in the liver, kidney and meat of beef, mutton, caprine and chicken ranged from 0.23 to 1.22±0.21 μg/g Cr; 0.1 to 1.34±0.23 μg/g Pb; 0.10 to 1.44±0.06 μg/g Cu; 0.98 to 4.65±0.30 μg/g Fe; 0.01 to 1.09±0.26 μg/g Ni; 0.45 to 4.11±0.44 μg/g Mn; 0.07 to 0.76±0.15 μg/g Cd; 0.01 to 0.34±0.23 μg/g As and 1.10 to 6.23±0.16 μg/g Zn. The concentrations of all the metals in the liver, kidney and meat of beef, mutton, caprine and chicken were found to be statistically significant (p＜0.05). Generally, livers and kidneys were found to have the highest significant levels of metals and meat the lowest levels. When compared to one another (beef, mutton, caprine and chicken), there did show significant differences. Hence, the concentrations of all the metals were within the tolerance limits with the exception of Cr and Pb, which were higher than standard limits.