| Identification | Back Directory | [Name]
(1S)-3,5,5-trimethyl-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-1-cyclohexenyl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-3-en-1-ol | [CAS]
24480-38-4 | [Synonyms]
ALPHA-CRYPTOXANTHIN
all-trans-Zeinoxanthin
(3R,6'R)-α-Cryptoxanthin
(3R,6'R)-β,ε-Caroten-3-ol
TRANS-ALPHA-CRYPTOXANTHIN
β,ε-Caroten-3-ol, (3R,6'R)-
alpha-Cryptoxanthin >=90.0% (HPLC)
(1S)-3,5,5-trimethyl-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-1-cyclohexenyl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-3-en-1-ol | [Molecular Formula]
C40H56O | [MDL Number]
MFCD29918146 | [MOL File]
24480-38-4.mol | [Molecular Weight]
552.87 |
| Hazard Information | Back Directory | [Uses]
Zeinoxanthin is an antioxidant carotenoid found in various foods such as oranges as well as in the tissues of the human eye. | [Definition]
ChEBI: Zeinoxanthin is a carotenol, the structure of which is (6'R)-beta,epsilon-carotene hydroxy-substituted at C-3 with R-stereochemistry. It derives from a hydride of a (6'R)-beta,epsilon-carotene. | [Purification Methods]
It crystallises from *C6H6/MeOH in red needles. The racemate is purified through an Al2O3 column, eluting with *C6H6 and recrystallising from MeOH/Et2O. It has λmax (ε 10-3) (hexane) at 421, 444, 471nm (90, 133, 122). [Loeber et al. J Chem Soc (C) 404 1971, Goodfellow et al. J Chem Soc, Chem Commun 1578 1970, Beilstein 6 IV 5113.] |
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