substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides

a chemical substance obtained from plants that is biologically active but not nutritive

dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)

yellow or orange-red fat-soluble pigments in plants

carotenoid that makes tomatoes red; may lower the risk of prostate cancer

an isomer of carotene that is found in dark green and dark yellow fruits and vegetables

yellow carotenoid pigments in plants and animal fats and egg yolks

yellow carotenoid (isomeric with lutein and occurs widely with it) that is the main pigment in yellow Indian corn