BIOCHEMICAL AND MICROBIAL CHANGES DURING ICE- STORAGE OF TILAPIA MINCED MEAT (Oreochromis mossambicus)
Keywords:
Oreochromis mossambicus, ice storage, biochemical changes, microbiological changes, shelf lifeAbstract
In the present study, biochemical and microbial changes during ic-storage of Tilapia minced meat (Oreochromis mossambicus) were studied. Very few studies have been conducted on the quality and shelf life of freshwater fish in storage conditions in contrast to the lots of information that is available for marine species. The present study on the biochemical and microbial changes in minced meat of tilapia during ice storage. The proximate composition of tilapia meat such as Moisture content, total nitrogen and fat content showed decreasing trend whereas ash content showed increasing trend during the ice storage period. pH, TVBN and FFA increased to 6.9, 10mg% and 8mg%Oleic acid on 9th day whereas, it crossed the border line of spoilage on 11th. Aerobic plate count reached to 106g-1on 11th day of ice storage of fish meat.Result obtained in the sensory analysis correlated well with the observed biochemical changes. The study indicated that the edible quality of O. mossambicus was maintained up to 11 days respectively when stored with ice.
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