"angiotensin" - 1 õppematerjal

Liha töötlemine

fish, and meat proteins (Korhonen and tion, aging, fermentation, and protease treat- Pihlanto 2003, 2007; Pihlanto and Korhonen ment (Fig. 24.5). 2003; Mine and Shahidi 2005; Gobbetti et al. Meat proteins are attacked by proteolytic 2007). Representative bioactivities of such enzymes (e.g., pepsin, trypsin, chymotripsin, peptides are summarized in Table 24.4. elastase, and carboxypeptidase) during gas- Of such bioactive peptides, angiotensin trointestinal digestion (Pihlanto and Korhonen I-converting enzyme (ACE) inhibitory pep- 2003). Although there has been no clear evi- tides have been studied most extensively dence that bioactive peptides are generated (Vermeirssen et al. 2004; Meisel et al. 2005). from meat proteins in human intestinal tracts, Since some of these peptides have antihyper- their generation has been shown in several tensive effects by oral administration, they in vitro studies