#antioxidant  substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides
  supertype:  inhibitor  a substance that retards or stops an activity
  subtype:  glutathione_peroxidase__glutathioneperoxidase  an enzyme in the body that is a powerful scavenger of free radicals
  subtype:  selenium__Se__atomic_number_34  a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable gray metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
  subtype:  carotenoid  any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
     subtype:  carotene  yellow or orange-red fat-soluble pigments in plants
     subtype:  lycopene  carotenoid that makes tomatoes red; may lower the risk of prostate cancer
     subtype:  beta-carotene  an isomer of carotene that is found in dark green and dark yellow fruits and vegetables
     subtype:  xanthophyll__xanthophyl__lutein  yellow carotenoid pigments in plants and animal fats and egg yolks
     subtype:  zeaxanthin  yellow carotenoid (isomeric with lutein and occurs widely with it) that is the main pigment in yellow indian corn
  subtype:  rust_inhibitor  antioxidant that inhibits the formation of rust
  subtype:  beta-naphthol  an isomer of naphthol used in rubber as an antioxidant
  subtype:  vitamin_E__tocopherol__E  a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
     subtype:  alpha-tocopheral__alphatocopheral  a potent form of vitamin E obtained from germ oils or by synthesis
  subtype:  vitamin_C__ascorbic_acid  a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy

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