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Catalase, SOD and GPx Activities in Triceps brachii Muscle from Aberdeen Angus Steers Finished on Pasture, Pasture and Concentrate, or Concentrate

A. Terevinto, M.C. Cabrera, A. Saadoun

American Journal of Food and Nutrition. 2015, 3(5), 118-124 doi:10.12691/ajfn-3-5-2
  • Figure 1. Lipid oxidation (TBARS, mg MDA/kg meat) in fresh and aged Tricep brachii muscle of steers from pasture, pasture + concentrate and concentrate based feeding systems. Data are mean ±SEM (n=10). Different lowercase letters means significant differences among feeding systems in fresh meat (P<0.05). Main effects: Feeding systems No significant. Ageing No significant
  • Figure 2. Carbonyl proteins (nmoles DNPH/mg protein) in fresh and aged Triceps brachii muscles of steers from pasture, pasture + concentrate, and concentrate. Data are mean ±SEM (n=10). Main effects: Feeding systems P<0.03 Pasture < Pasture + concentrate, concentrate; Ageing P<0.01 Aged > Fresh
  • Figure 3. Catalase activity (μmoles/min/g carne) in fresh and aged Triceps brachii muscle of steers from pasture, pasture + concentrate and concentrate. Data are mean ±SEM (n=10). Different uppercase letters means significant differences among feeding systems in aged meat (P<0.05). *shows difference between fresh and aged meat (P<0.05). Main effects: Feeding system P<0.05 Pasture > Pasture + concentrate and Concentrate. Ageing P<0.05 Aged > Fresh
  • Figure 4. Catalase activity (nmoles/min/mg protein) in fresh and aged Triceps brachii muscle of steers from pasture, pasture + concentrate and concentrate. Data are mean ± SEM (n=10). *shows difference between fresh and aged meat (P<0.05). Main effects: Feeding system No significant; Ageing P<0.01 Aged >Fresh
  • Figure 5. SOD activity (UI/g meat) in fresh and aged Triceps brachii muscle of steers from pasture, pasture + concentrate and concentrate. Data are mean ± SEM (n=10). Different uppercase letters means significant differences among systems in aged meat (p<0.05). NS: no significant. Main effects: Feeding system: P<0.05 Pasture > Concentrate, Pasture + concentrate = Pasture, Concentrate; Ageing P < 0.05 Aged > Fresh
  • Figure 6. SOD activity (UI) in fresh and aged Triceps brachii muscle of steers from pasture, pasture + concentrate and concentrate. Data are mean ± SEM (n=10). Different uppercase letters means significant differences among systems in aged meat (P<0.05). Main effects: Feeding system P<0.05 Pasture > Concentrate, Pasture + concentrate = Pasture, Concentrate; Ageing P<0.05 Aged > Fresh
  • Figure 7. GPx activity (µmoles/min/g meat) in fresh and aged Triceps brachii muscle of steers from pasture, pasture + concentrate and concentrate. Data are mean ± SEM (n=10). Different lowercase and uppercase letters means significant differences among feeding systems in fresh and aged meat, respectively (P<0.05). Main effects: Feeding system P<0.0001, Pasture + concentrate, concentrate > Pasture; Ageing: No significant
  • Figure 8. GPx activity (nmoles/min/mg protein) in fresh and aged Triceps brachii muscle of steers from pasture, pasture and concentrate and concentrate. Data are mean ±SEM (n=10). Different lowercase and uppercase letters means significant differences among feeding systems in fresh and aged meat, respectively (P<0.05). *shows difference between fresh and aged meat (p<0.05). Main effects: Feeding systems P<0.001 Concentrate > Pasture, Pasture + concentrate; Ageing P<0.01 Fresh > Aged