Liha töötlemine
changes on muscle proteins, such as oxida- modification of calpain activity (Harris et al.
tion and nitration. 2001; Rowe et al. 2004a, b; Maddock et al.
2006). In fact, evidence suggests oxidizing
conditions inhibit proteolysis by μ-calpain,
Protein Oxidation
but might not completely inhibit autolysis
Another change that occurs in postmortem (Guttmann et al. 1997; Guttmann and Johnson
muscle during aging of whole muscle prod- 1998; Maddock et al. 2006). In postmortem
ucts is increased oxidation of myofibrillar muscle, there are differences between
and sarcoplasmic proteins (Martinaud et al. muscles in the rate that postmortem oxidation
1997; Rowe et al. 2004a, b). This results in processes occur (Martinaud et al. 1997). It
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