Post mortem rigor development in the Egyptian goose (Alopochen aegyptiacus) breast muscle (pectoralis): factors which may affect the tenderness.
作者： Greta Geldenhuys , Nina Muller , Lorinda Frylinck , Louwrens C Hoffman
DOI: 10.1002/JSFA.7090
关键词:
摘要: BACKGROUND: Baseline research on the toughness of Egyptian goose meat is required. This study therefore investigates post mortem pH and temperature decline (15 min-4 h 15 min mortem) in pectoralis muscle (breast portion) this gamebird species. It also explores enzyme activity Ca-dependent protease (calpain system) lysosomal cathepsins during rigor mortis period. RESULTS: No differences were found for any variables between genders. The occurs quite rapidly (c = -0.806; ultimate ∼5.86) compared with other species it speculated that high (>20 °C) may contribute to increased toughness. calpain I was μ/m-calpain remained constant period, while a decrease calpastatin observed. cathepsin B, B & L H over CONCLUSION: Further into connective tissue content myofibrillar breakdown aging required order know if proteolytic enzymes do actual fact tenderisation.
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