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Using column (CC), thin- layer (TLC) and high- performance liquid chromatography (HPLC), carotenoid content was examined in the fillets (muscles with skin) of 16 fish species from the fisheries of West African Coast. 15 carotenoids, including 6 ketocarotenoids (4’- hydroxyechinenone, canthaxanthin, phoenicopterone, phoenicoxanthin, astaxanthin, 7,8- didehydroastaxanthin) were found, with a predominance of 3,4- dihydro- α- carotene, zeaxanthin, phoenicopterone, canthaxanthin, phoenicoxanthin and astaxanthin. Total carotenoid content in the examined material ranged from 0.086 ( Merluccius merluccius ) to 0.352 μg g-1 wet mass ( Macrurus aequalis ). Also, the increase of different environmental factors- especially food, parasites and organochlorine pollution on carotenoid content in fishes and their role in human’s life was discussed. Keywords : Carotenoids, fish, fillets, fisheries, West Africa African Journal of Biotechnolog Vol. 12(12), pp. 1443-1448

Amount and qualities of carotenoids in fillets of fish species fed with natural feed in some fisheries of West