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Journal of Applied Sciences

Year: 2010  |  Volume: 10  |  Issue: 11  |  Page No.: 975 - 980

Pesticides Residues in Smoked Fish Samples from North-Eastern Nigeria

U. Musa, S.S. Hati, Y.I. Adamu and A. Mustapha

Abstract

Smoked fish species, Clarias sp., Gymnarchus niloticus and Tilapia sp., sampled from the open markets in North-Eastern Nigeria were investigated for the presence and concentration levels of pesticide residues of DDT, dichlorvos and lindane. The GC-MS and GC-FID techniques were employed in the determination of the pesticide residue. The obtained results showed positive identification of op-DDT (2.844-4.220 μg g-1), pp-DDT (3.821-4.479 μg g-1), dichlorvos (2.844-4.220 μg g-1) and lindane (3.479-9.878 μg g-1). Gymnarchus niloticus showed consistently higher pesticide residue levels in the studied smoked fish samples followed by Clarias sp. and then Tilapia sp.

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