tocopherol noun. [tɒ'kɒfǝrɒl] M20.
[from TOCO- + Greek pher(ein to bear + -OL.]
Biochemistry. Any of a group of related fat-soluble alcohols that occur in plant oils, wheat germ, egg-yolk, etc., and are antioxidants essential in the diets of many animals and probably of humans. Also called vitamin E.

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