A substance that is obtained from wheat germ oil or by synthesis, biologically exhibits the most vitamin E activity of the tocopherols, and is an antioxidant.
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|alpha-tocopherol (āl'fə-tō-kŏf'ə-rôl', -rōl') Pronunciation Key
A water-insoluble alcohol that occurs in plant oils (especially wheat germ oil), egg yolks, and liver, and is also produced synthetically. Alpha-tocopherol is the principal form of vitamin E in the body. Chemical formula: C29H50O2. See more at vitamin E.