1. (noun) any of a class of highly unsaturated yellow to red pigments occurring in plants and animals

• antioxidant
• phytochemical
• pigment

1. (noun) any of a class of highly unsaturated yellow to red pigments occurring in plants and animals

• beta-carotene
• carotene
• lutein
• xanthophyl
• xanthophyll
• lycopene
• zeaxanthin