alpha-tocopherol
Americannoun
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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: C 29 H 50 O 2 .
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See more at vitamin E
Example Sentences
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Like vitamin A, vitamin E is found in several forms, with alpha-tocopherol being the most biologically active.
From Time Magazine Archive
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Even if you find a cream with alpha-tocopherol in it, there's no definitive word on how strong it should be, according to Dr. Karen Burke, a dermatologist who consults for L'Oreal's Helena Rubinstein division.
From Time Magazine Archive
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His solution to the vitamin E problem: encapsulate alpha-tocopherol in tiny little sacks of sugar molecules that are activated by body heat.
From Time Magazine Archive
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However, Burke's experiments with mice suggest that vitamin E creams should contain at least 1% alpha-tocopherol.
From Time Magazine Archive
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Because alpha-tocopherol isn't terribly stable, however, most cosmeceuticals contain derivatives.
From Time Magazine Archive
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