Definition of alpha-tocopherol
: the predominant form of vitamin E C29H50O2 that is essential to human nutrition
- … the vitamin E sold as a dietary supplement contains primarily alpha-tocopherol.
- —Janet Raloff
Note:
Alpha-tocopherol is a potent antioxidant and the most biologically active form of vitamin E. Because alpha-tocopherol is the form of vitamin E most essential to biological functioning, it is often used synonymously with vitamin E.
