Flashcards: Tetraterpenes

Zeaxanthin is one of the most common carotenoid alcohols found in nature.

Violaxanthin is a natural xanthophyll pigment with an orange color found in a variety of plants including pansies.

Astaxanthin /æstəˈzænθᵻn/ is a keto-carotenoid.

Cryptoxanthin is a natural carotenoid pigment.

Flavoxanthin is a natural xanthophyll pigment with a golden-yellow color found in small quantities in a variety of plants.

Rhodoxanthin is a xanthophyll pigment with a purple color that is found in small quantities in a variety of plants including Taxus baccata.

β-Carotene is an organic, strongly colored red-orange pigment abundant in plants and fruits.

α-Carotene is a form of carotene with a β-ionone ring at one end and an α-ionone ring at the opposite end.

Canthaxanthin /ˌkænθəˈzænθɪn/ is a keto-carotenoid pigment widely distributed in nature.

Rubixanthin, or natural yellow 27, is a natural xanthophyll pigment with a red-orange color found in rose hips.

Phytoene (FY-toe-een) is a 40-carbon intermediate in the biosynthesis of carotenoids.

δ-Carotene or ε,ψ-carotene is a form of carotene with an ε-ring at one end, and the other uncyclized.