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Synonyms
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(3R,3′R)-beta,beta-Carotene-3,3′-diol; 4-[18-(4-Hydroxy-2,6,6-trimethyl-1-cyclohexenyl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethyl-cyclohex-3-en-1-ol
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| Properties |
| Yellow rhombic plates with steel-blue metallic luster from ethanol, mp 207°(Zechmeister); mp 215.5°(Kuhn). Optically inactive. Absorption bands (ethanol) 483, 451.5 nm. Practically insol in water. Slightly sol in petr ether, methanol; sol in carbon disulfide, benzene, chloroform, carbon tetrachloride, pyridine, ethyl acetate; sol in glacial acetic acid upon addition of hexane. Less sol in boiling methanol (1:1550) than xanthophyll. |
| Synthesis: Constit. of crustaceans, fish, barley, flavobacteria and fruit. |
| Physics Description: Yellow cryst. + 1/2 MeOH (MeOH/C6H6). |
| Melting Point: Mp 215.5 deg. |
| Other Data: Meso- and enantiomeric zeaxanthins are descr. by Maoka et al from various sources. |
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| Synonym |
| all-trans-beta-carotene-3,3′-diol; (3R,3′R)-dihydroxy-beta-carotene; zeaxanthol; anchovyxanthin |
| Zeaxanthin |
| β,β-Carotene-3,3′-diol |
| Anchovixanthin |
| Zeaxanthol |
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![Zeaxanthin, (3R,3'R)-beta,beta-Carotene-3,3'-diol, 4-[18-(4-Hydroxy-2,6,6-trimethyl-1-cyclohexenyl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethyl-cyclohex-3-en-1-ol CAS #: 144-68-3](http://www.chemicalall.com/wp-content/uploads/2008/06/015938l4v.gif)
