Preferred Label : Antioxidant;
NCIt definition : A group of organic or inorganic substances capable of preventing the genotoxic and
carcinogenic effects of free-radical compounds. Antioxidants bind to and neutralize
('scavenge') free radicals, thereby transforming them into non-toxic compounds and
blocking their genotoxic and carcinogenic effects. This class of agents includes the
vitamins C and E, the carotenoids, and selenium. Organic antioxidants are found in
high concentrations in fruits, seeds and vegetables.;
Alternative definition : NCI-GLOSS: A substance that protects cells from the damage caused by free radicals
(unstable molecules made by the process of oxidation during normal metabolism). Free
radicals may play a part in cancer, heart disease, stroke, and other diseases of aging.
Antioxidants include beta-carotene, lycopene, vitamins A, C, and E, and other natural
and manufactured substances.; PQCMC: Agent used to stabilize a system against oxidative degradation. (Adapted from
Medicinescomplete);
ChEBI ID : CHEBI:22586;
Codes from synonyms : CDR0000043997;
Origin ID : C275;
UMLS CUI : C0003402;
Semantic type(s)
concept_is_in_subset