Major function of Vitamin E in the body ?
Regulation of energy metabolism
Carboxylation reactio
Blood clotting
Protection of biological membrane from free radical damage
Ans. is 'd' i.e., Protection of biological membrane from free radical damage The most impoant function of vitamin E in human beings is to act as an anti-oxidant. It prevents the oxidation of other antioxidants, .e.g, carotenes, vitamin A and vitamin C. Vitamin E is the lipid-soluble antixodant in cell membranes and plasma lipoproteins. The main function of vitamin E is as a chain-breaking, free radical-trapping antioxidant in cell membranes and plasma lipoproteins by reacting with lipid peroxide radicals formed by peroxidation of polyunsatured fatty acid. Vitamin E prevents rancidity of fats due to its antioxidant action.