Liha töötlemine
stronger physiological activities than those of tocopherols, ubiquinone, cartenoids, ascorbic
the c9,t11-isomer. However, most animal acid, glutathione, lipoic acid, uric acid,
products such as beef and cow’s milk contain spermine, carnosine, and anserine, have been
only trace amounts of the t10,c12 CLA found in skeletal muscle (Decker et al. 2000).
isomer. Both carnosine (β-alanyl-L-histidine) and
The CLA content of animal products is anserine (N-β-alanyl-1-methyl-L-histidine)
changed by several factors, such as breed, are antioxidative histidyl dipeptides (Fig.
age, and feed composition (Dhiman et al. 24.4) and are the most abundant antioxida-
2005). CLA content in grass-fed animal tives in meats. Consumption of antioxidant-
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