Composição físico-química, microbiológica e rendimento do filé de tilápia tailandesa (Oreochromis niloticus)

By Márcia Regina Simões, C. Ribeiro, S. C. A. Ribeiro, Kil Jin Park, Fernanda Elizabeth Xidieh Murr. 2007

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The fillet yield of Thai-style tilapia and its physicochemical composition, including moisture content, protein, ash lipids and water activity, were determined. The analysis involved 19 specimens of tilapia with average weight and length of 989.6 g and 38.9 cm, respectively. The fish were weighed, measured (length, width and thickness), filleted, and the yield was calculated. The chemical composition presented the following contents: 77.13% moisture, 2.60% lipids, 19.30% protein, 1.09% ash, and 0.983 water activity. The fillet/fish to fish/residue weight ratios presented good linear correlations. The raw fish was also subjected to a microbiological analysis, which indicated that it met the safety limits established by Brazilian legislation and was therefore safe for processing and consumption.

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