alpha-tocopherol


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α-to·coph·er·ol (α-T),

(tō-kof'ĕr-ol),
One of several forms of vitamin E. A light yellow, viscous, odorless, oily liquid that deteriorates on exposure to light, is obtained from wheat germ oil or by synthesis, biologically exhibits the most vitamin E activity of the α-tocopherols, and is an antioxidant retarding rancidity by interfering with the autoxidation of fats.
Synonym(s): vitamin E (1)

alpha-tocopherol

(ăl′fə-tō-kŏf′ə-rôl′, -rōl′)
n.
An alcohol, C29H50O2, that is one of the components of vitamin E and is present in vegetable oils, nuts, and seeds or produced synthetically. It is the predominant form of vitamin E in the human body and in supplements.

alpha-tocopherol

See vitamin E.

α-to·coph·er·ol

(tŏ-kof'ĕr-ol)
One of several forms of vitamin E. A light yellow, viscous, odorless, oily liquid that deteriorates on exposure to light, is obtained from wheat germ oil or by synthesis; an antioxidant retarding rancidity by interfering with autoxidation of fats.
Synonym(s): vitamin E (1) .

alpha-tocopherol,

tocopherol

an alcohol isolated from wheat germ oil or produced synthetically; it has the properties of vitamin E.

α-tocopherol
vitamin E.
References in periodicals archive ?
Alpha-tocopherol alone was more effective than memantine or the combination treatment in slowing functional decline.
Kivipelto said vitamin E supplements available on the market usually contain only alpha-tocopherol, and the best sources of vitamin E are vegetable oils, nuts, green vegetables and whole grain cereals.
The relationship between the dietary provision of alpha-tocopherol and the concentration of this vitamin in the semen of chicken: effects on lipid composition and susceptibility to peroxidation.
The scientists formed cyclodextrin inclusion complexes of alpha-tocopherol and quercetin using a coprecipitation technique.
Requirement for, promotion, or inhibition by alpha-tocopherol of radical-induced initiation of plasma lipoprotein lipid peroxidation.
Alpha-tocopherol decreases interleukin-1 [beta] release from activated human monocytes by inhibition of 5-lipoxygenase.
Alpha-tocopherol, the form usually found in supplements, is most common.
Walnuts may help to prevent diabetes, being rich in vitamin E and alpha-tocopherol, and contain unsaturated fats that are converted into a blood-thinning agent effective at reducing cholesterol.
The daily dose in the study was 400 international units of alpha-tocopherol vitamin E, the form most active in people.
Researchers have long known that alpha-tocopherol and gammatocopherol have similar chemical properties as antioxidants, but alpha-tocopherol has a much higher biopotency--that is, it is more active in the body.
However, there is good research to show that alpha-tocopherol which is the most common form of vitamin E found in supplements, may actually have a pro-oxidant effect in the body.