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Brazilian Archives of Biology and Technology

Print version ISSN 1516-8913On-line version ISSN 1678-4324


KUHN, Cláudio Rafael; PRENTICE-HERNANDEZ, Carlos; VENDRUSCOLO, João Luís  and  SOARES, Germano Jorge Dorneles. Surimi of king weakfish (Macrodon ancylodon) wastes: texture gel evaluation with protease inhibitors and transglutaminase. Braz. arch. biol. technol. [online]. 2004, vol.47, n.6, pp.895-901. ISSN 1678-4324.

The protease inhibitors (bovine serum albumin -BSA - and egg white) and transglutaminase inhibitor (NH4Cl), was added to the surimi obtained by King weakfish (Macrodon ancylodon) wastes to evaluate your effect on the gel texture. Results indicated that the treatment with pre-heating (60°C, 30min + 90°C, 15min) favored the elasticity of the gel (ashi), demonstrating low proteolysis and characterizing the suwari phenomenon (high gel strength). Protease inhibitors increased gel strength significantly (P<0.05) by compression force, when BSA was better than egg whites. Gels from surimi of King weakfish wastes didn't have action of the transglutaminase characterized.

Keywords : Surimi; protease inhibitors; gel strength; transglutaminase.

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