Comparison of microbial load and proximate analysis of fresh lean fish Labeo coubie and fresh fatty fish Synodontis membranaceus with their smoked products
2008
Fakunle, J.O. | Effiong, B.N.
Comparative study on the microbial load and proximate composition of fresh lean fish Labeo cubie and fresh fatty fish Synodontis membranaceus with their smoked products were carried out. The colony count of different parts was carried out on all the samples and the results show the highest microbial load on the gut of both the fresh lean fish and the fresh fatty fish. The smoked dried lean fish and the smoked dry fatty fish had lower microbial counts compared to their fresh samples because smoking reduces the microbial load on fish. Biochemical characterization carried out on all isolates confirmed Gram-negative bacterial isolates. The proximate composition show that water is the most affected nutrient during the hot smoking of both the fresh fish sample and the fresh fatty sample with a corresponding increase in protein content. There was a significant difference (p< 0.05) in proximate composition of smoked product of fresh fatty fish and the fresh lean fish. The colony counts of different parts of the fish reveals that majority of the microorganisms is found in the guts followed by gills and the lowest in the skin this is the pattern in the two fresh fish but for smoked fish the gut is usually removed before smoking.
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