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 (tō-kŏf′ə-rôl′, -rōl′)
Any of a group of closely related fat-soluble alcohols that are forms of vitamin E and that differ from the tocotrienols in having saturated side chains.

[Greek tokos, offspring, childbirth; see tek- in Indo-European roots + Greek pherein, to bear, carry; see bher- in Indo-European roots + -ol (tocopherols being so called because they were discovered after it was observed that rats did not reproduce when fed a diet lacking these compounds).]


(Biochemistry) biochem any of a group of fat-soluble alcohols that occur in wheat-germ oil, watercress, lettuce, egg yolk, etc. They are thought to be necessary for healthy human reproduction. Also called: vitamin E
[C20: from toco-, from Greek tokos offspring (see tocology) + -pher-, from pherein to bear + -ol1]


(toʊˈkɒf əˌrɔl, -ˌrɒl)

any of several oils that constitute vitamin E.
[1936; < Greek tóko(s) child, childbirth + phér(ein) to carry, bear1 + -ol1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tocopherol - a fat-soluble vitamin that is essential for normal reproductiontocopherol - a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
alpha-tocopheral - a potent form of vitamin E obtained from germ oils or by synthesis
antioxidant - substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides
fat-soluble vitamin - any vitamin that is soluble in fats


n tocoferol m
References in periodicals archive ?
RavEtol is a non-GMO, non-soy tocopherols product derived from rapeseed (Brassica ncnpus) oil.
Vitamin E vitamers, such as the tocopherols, play a role in the prevention of some age-related diseases.
15), (16) Based on these studies, one might reasonably postulate that taking vitamin E as mixed tocopherols (which contain all 4 forms of vitamin E) would not increase prostate cancer risk, and might even help prevent prostate cancer.
The term vitamin E is now considered to be a generic name describing both tocopherols and tocotrienols that are a group of soluble lipid compounds [16].
Serum samples collected in 1998 were analyzed for tocopherols, tocotrienols, and cholesterol (which may influence serum vitamin E levels).
Natural source Vitamin E products analyzed in this study include Tocopherols and Tocotrienols.
There are eight natural congeners of Vitamin E--four tocopherols and four tocotrienols, all of which show different biological properties that may be relevant for neuroprotection.
Vitamin E occurs in eight forms based on their chemical structure, and the most well-known form belongs to a variety called tocopherols.
Vitamin E includes eight compounds found in nature: four tocopherols and four tocotrienols named and identified by the prefixes [alpha]-, ([beta]-, [gamma]- and 5-tocopherol.
In addition, European researchers have also shown that increased blood level of all vitamin E forms (E-Complete with both d-mixed tocopherols + d-mixed tocotrienols) is beneficial to elderly people against mild cognitive impairment and Alzheimer's Disease.
And baseline plasma levels of various tocopherols (forms of vitamin E) modified prostate cancer risk: Within the vitamin E group, for example, higher levels of alpha-tocopherol were protective, whereas higher levels of gamma-tocopherol were deleterious.
There are eight structurally related compounds in the vitamin E family -- four tocotrienols and four tocopherols.