Carotenoids are red, orange, or yellow tetraterpenoids. The most familiar carotenoids are carotene (orange pigment), lutein (yellow pigment), and lycopene (red pigment).
Carotenoids are red, orange, or yellow tetraterpenoids. The mostfamiliar carotenoids are carotene (orange pigment), lutein (yellowpigment), and lycopene (red pigment).