Calpain activity and texture in Atlantic salmon muscle analysis
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- Master's theses (IHA) 
Calpain system consists of L- calpain , m- calpain, the calcium- dependent neutral proteases, and their endogenous inhibitor , calpastatin. Calpain system is probably the major proteolytic enzyme in protein degradation, which plays an important role in myofibrillar protein degradation, so the activity of calpain system is expected to have an effect on muscle texture(Jin Haili et al., 2012). This paper reviews the structure, function and regulation of calpain system, and presents the significant differences mean value of calpain activity between families, so does the texture break force. And then tells about the correlation between calpain activity and muscle texture .