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Chemical formula: C29H50O2
CAS.NO: 0010191-41-0
Mol.wgt: 430
Vitamin E is a generic term used for a group of chemically-similar compounds sharing the tocopherol and tocotrienol structures, which are lipid-soluble; hence, vitamin E is known as a fat-soluble vitamin. Vitamin E is an important anti-oxidant which protects against lipid peroxidation.
The vitamin can exist as two types of structures: the tocopherol and tocotrienol structures. Both structures are similar except the tocotrienol structure has double bonds on the isoprenoid units.
Tocopherols (Vitamin E) are equipped to perform a unique function. They can interrupt free radical chain reactions by capturing the free radical; this imparts to them their antioxidant properties. The free hydroxyl group on the aromatic ring is responsible for the antioxidant properties. The hydrogen from this group is donated to the free radical, resulting in a relatively stable free radical form of the vitamin.