Further studies on the roles of proteases in the activation of phenolase from Norway lobster (Nephrops norvegicus)

Wang, Zhoubo and Taylor, K. D. Anthony and Yan, Xinjian (1994) Further studies on the roles of proteases in the activation of phenolase from Norway lobster (Nephrops norvegicus). Food Chemistry, 51 (1). pp. 99-103. ISSN 0308-8146

Full content URL: http://dx.doi.org/10.1016/0308-8146(94)90055-8

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Item Type:Article
Item Status:Live Archive

Abstract

Phenolase activation in Norway lobster (Nephrops norvegicus) was found to be a result of proteolysis. Endogenous protease activity is shown to activate the phenolase activity directly. The three protease activities identified in Norway lobster all affected the phenolase-activation process. Protease III, a metal-dependent serine protease, was involved in the activation process, but proteases I and II, two thiol proteases, also affected the activation process by apparently degrading the phenolase present. The phenolase activation in Norway lobster appears to be a result of the balance of the specific proteolytic action of protease III and the presumably less discriminative degradation of protease I and II.

Keywords:Lobster, Phenolase
Subjects:D Veterinary Sciences, Agriculture and related subjects > D610 Food Science
Divisions:College of Science > National Centre for Food Manufacturing
ID Code:9544
Deposited On:20 May 2013 11:22

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