Myosin heavy chain isoform and metabolic profile differ in beef steaks varying in tenderness

Myosin heavy chain isoform and metabolic profile differ in beef steaks varying in tenderness

Our objective was to investigate possible differences in muscle fiber characteristics of beef longissimus lumborum (LL) steaks varying in tenderness (very tender vs. intermediate tender). Therefore, the relative abundance of myosin heavy chain (MHC) isoforms and activity/abundance of several glycoly...

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Veröffentlicht in:Meat science 2020-12, Vol.170, p.108266-108266, Article 108266
Hauptverfasser: Dang, David S., Buhler, Jared F., Thornton, Kara J., Legako, Jerrad F., Matarneh, Sulaiman K.
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Calcium Channels
Cattle
Desmin - metabolism
Fiber type characteristics
Food Science & Technology
Life Sciences & Biomedicine
Mitochondria
Muscle Fibers, Skeletal - metabolism
Muscle, Skeletal - enzymology
Muscle, Skeletal - metabolism
Myosin Heavy Chains - analysis
Proteolysis
Red Meat - analysis
Science & Technology
Tenderness
Troponin T - metabolism
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Zusammenfassung:Our objective was to investigate possible differences in muscle fiber characteristics of beef longissimus lumborum (LL) steaks varying in tenderness (very tender vs. intermediate tender). Therefore, the relative abundance of myosin heavy chain (MHC) isoforms and activity/abundance of several glycolytic and oxidative enzymes were compared between the two steak groups. Greater (P 
ISSN:0309-1740
1873-4138
DOI:10.1016/j.meatsci.2020.108266