Abstract
45 random samples of imported frozen fish were collected from Al-Gharbiah markets, Egypt. The collected samples were represented by Synodus Saurus (Saurus), Trachurus trachurus (Atlantic-Horse Mackerel) and Scomber scombrus (Mackerel) fish, (15 of each). The collected samples (fish flesh) were examined for determination of pesticide residues (aldrin and malathion) on the basis of wet weight (ppb) by High Performance Liquid Chromatography (HPLC) apparatus. The obtained results revealed that the mean concentrations of aldrin in the examined samples of imported frozen Saurus, Atlantic-Horse Mackerel and Mackerel fish were 59.75 + 2.53 ppb, 124.1+4.92 ppb and 150.86 + 6.38 ppb, respectively. However The mean concentrations of malathion in the examined samples of imported frozen Saurus, Atlantic-Horse Mackerel and Mackerel fish were 110.80 + 4.47 ppb, 181.80 + 5.22 ppb and 243.60 + 8.95 ppb, respectively. Comparing the results to the maximum permissible limits stated by the Egyptian Organization of Standardization EOS (2005), found that the examined frozen mackerel fish contained the highest residual concentrations of pesticides (aldrin and malathion) followed by Atlantic-Horse Mackerel and Saurus fish.
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