Liha töötlemine
ATP-dependent proteinase SP-22, HSP27, have led to new insights into the mechanisms
and HSP20 were found to be different of aging tenderization in meat. Based on
between samples removed at 0 and 24 hours studies using one-dimensional SDS-PAGE, it
postmortem (Jia et al. 2006). This study also has been accepted for years that actin is not
found 15 additional proteins that changed degraded postmortem (Bandman and Zdanis
during postmortem storage in either the lon- 1988; Huff-Lonergan et al. 1995; Koohmaraie
gissimus or semitendinosus muscles (Jia et al. 1994). Several studies using 2DE separation,
2006). In a similar study, thirty-nine proteins however, have demonstrated that fragments
were identified from bovine longissimus of actin accumulate with postmortem storage
muscle that significantly change during the (Lametsch et al. 2002; Lametsch et al. 2003;