Figure 7. GPx activity (µmoles/min/g meat) in fresh and aged Biceps femoris muscle in steers from pasture, pasture and supplement and feedlot based feeding systems. Data are mean ± SEM (n=8). Different lower letters means significant differences among systems for fresh muscle and for aged muscles (italic) (P<0.05). *shows significant differences between fresh and aged (p>0.05). Main effects: Feeding systems: P<0.001 Pasture<pasture + supplement, feedlot Ageing: P<0.01 Fresh>Aged

From

Influence of Feeding System on Lipids and Proteins Oxidation, and Antioxidant Enzymes Activities of Meat from Aberdeen Angus Steers

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

Journal of Food and Nutrition Research. 2015, 3(9), 581-586 doi:10.12691/jfnr-3-9-4