carotenol

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ChEBI ID: 23045

Members (7)

Member	Definition	Role
astaxanthine	A carotenone that consists of beta,beta-carotene-4,4'-dione bearing two hydroxy substituents at positions 3 and 3' (the 3S,3'S diastereomer). A carotenoid pigment found mainly in animals (crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as an ester, or as a blue, brown or green chromoprotein.	astaxanthin
cryptoxanthins	A carotenol that exhibits antioxidant activity. It has been isolated from fruits such as papaya and oranges.	beta-cryptoxanthin
lutein		lutein
meso-zeaxanthin	A carotenol that is beta,beta-carotene carrying two hydroxy substituents at positions 3 and 3' (the 3R,3'S-diastereomer). It is rarely found in diet and is believed to be formed at the macula by metabolic transformations of ingested carotenoids.	meso-zeaxanthin
rhodopin	A carotenol having the structure of 1,2-dihydro-psi,psi-carotene with a hydroxy function at C-1.	rhodopin
zeaxanthin		zeaxanthin
zeinoxanthin	A carotenol, the structure of which is (6'R)-beta,epsilon-carotene hydroxy-substituted at C-3 with R-stereochemistry.	zeinoxanthin