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What is Among the following, which is the most effective antioxidant: and explain in detail?
Ans. (c) Vitamin ERef: Harper's Biochemistry, 30th ed. pg. 553, 564* Vitamin E has many biological functions, the antioxidant function being the most important and/or best known.* Other functions include:# Enzymatic activities# Gene expression# Neurological function and# Cell signaling* As an antioxidant, vitamin E acts as a peroxyl radical scavenger, preventing the propagation of free radicals in tissues.* It does so by reacting with ROS to form a tocopheryl radical, which will then be reduced by a hydrogen donor (such as vitamin C) to its reduced state. As it is fat- soluble, it is incorporated into cell membranes, which protects them from oxidative damage.