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Improved oxidative stability of veal lipids and cholesterol through dietary vitamin E supplementation
N J Engeseth1, J Ian Gray, A M Booren
1Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI 48824, USA.
Abstract:
The influence of dietary vitamin E supplementation on the α-tocopherol content of muscle membranes and on the resultant oxidative stability of veal was investigated. Daily supplementation of veal calves with 500 mg vitamin E in the form of α-tocopherol acetate for 12 weeks after birth increased muscle and membranal α-tocopherol concentrations approximately 6-fold over those of control animals. Oxidative stability of mitochondrial and microsomal lipids was enhanced by dietary supplementation as indicated by the results of an oxidative assay using hydrogen peroxide-activated metmyoglobin as the catalyst of oxidation. Muscle lipid and cholesterol stability was also improved by supplementation.
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