alpha-tocopherol

noun al·pha-to·coph·er·ol \ -tō-ˈkä-fə-ˌrȯl , -ˌrōl \

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.

First Known Use of alpha-tocopherol

1936

in the meaning defined above

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Medical Dictionary

alpha-tocopherol

noun al·pha-to·coph·er·ol \ ˌal-fə-tō-ˈkäf-ə-ˌrȯl, -ˌrōl \

medical Definition of alpha-tocopherol

: a tocopherol C29H50O2 with high vitamin E potency

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