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The preservation of some indian freshwater fish






Fishery Technology 23(2): 115-119

The preservation of some indian freshwater fish

Quality changes in Labeo rohita, Cirrhinus mrigala and Tilapia mossambica were studied during storage in ice and at ambient temperature (29-32.degree.C). After 10 h at ambient temperature L. rohita and T. mossambica were completely spoiled, while C. mrigala became unacceptable within 11 h. Organoleptic examination, total volatile base nitrogen and total bacterial counts showed that L. rohita (0.5 kg and above) and C. mrigala (0.5 kg and above) were acceptable up to 7 to 8 days of storage in ice in popular container (Bamboo basket) lined with palmyrah mat at ambient temperature while T. mossambica (30-40 g) was acceptable up to 6 days. Influence of size of fish on shelf life in ice studied with reference to L. rohita showed that fishes below 500 g were acceptable up to 6 days of storage in ice in popular container an ambient temperature while those above 1000 g size were acceptable up to 8 days. Provision of an alkathene lining to the popular container extended the storage life of L. rohita from 6 days to 8 days. Pre-chilled and iced L. rohita had a longer shelflife (9 days) than merely iced sample (7 days).


Accession: 006740027



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