CHEBI:33234 - vitamin E

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ChEBI Name vitamin E
Definition A chromanol that is chroman-6-ol which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units.
Stars This entity has been manually annotated by the ChEBI Team.
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Roles Classification
Chemical Role(s): antioxidant
A substance that opposes oxidation or inhibits reactions brought about by dioxygen or peroxides.
Biological Role(s): fat-soluble vitamin
Vitamins like A, D, E and K that dissolve in fats and are stored in body tissues. Unlike the water-soluble vitamins, these are stored in the body for long periods of time and generally pose a greater risk for toxicity when consumed in excess.
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ChEBI Ontology
Outgoing vitamin E (CHEBI:33234) has functional parent chroman-6-ol (CHEBI:78631)
vitamin E (CHEBI:33234) has role antioxidant (CHEBI:22586)
vitamin E (CHEBI:33234) has role fat-soluble vitamin (CHEBI:24020)
vitamin E (CHEBI:33234) is a chromanol (CHEBI:23229)
Incoming α-tocotrienol (CHEBI:33270) is a vitamin E (CHEBI:33234)
β-tocotrienol (CHEBI:33275) is a vitamin E (CHEBI:33234)
γ-tocotrienol (CHEBI:33277) is a vitamin E (CHEBI:33234)
δ-tocotrienol (CHEBI:33276) is a vitamin E (CHEBI:33234)
tocopherol (CHEBI:27013) is a vitamin E (CHEBI:33234)
Synonym Source
vitamin E ChemIDplus
Manual Xrefs Databases
Vitamin-E MetaCyc
Vitamin_E Wikipedia
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Registry Number Type Source
59-02-9 CAS Registry Number NIST Chemistry WebBook
Citations Waiting for Citations Types Sources
7898412 PubMed citation Europe PMC
7901680 PubMed citation Europe PMC
Last Modified
30 May 2014