#carotenoid  any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
  supertype:  pigment  antioxidant
  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

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