Echinenone
Echinenone is a xanthophyll, with formula C40H54O. It is found in some cyanobacteria.[1] It is synthesized from β-carotene by the enzyme beta-carotene ketolase (or CrtW). It has also been isolated from sea urchins.[2]
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| Names | |
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| IUPAC name
2,4,4-Trimethyl-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohex1-en-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl]cyclohex-2-en-1-one | |
| Other names
β,β-Caroten-4-one; Myxoxanthine | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.006.441  |
PubChem CID |
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| UNII | |
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| Properties | |
| C40H54O | |
| Molar mass | 550.871 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
References
- E. H. Schwartzel and J. J. Cooney (October 1970). "Isolation and identification of echinenone from Micrococcus roseus". Journal of Bacteriology. 104 (1): 272–274. PMC 248210. PMID 5473895.
- Lederer, E.; Moore, T. (1936). "Echinenone as a Provitamin A". Nature. 137 (3476): 996–996. doi:10.1038/137996b0. ISSN 0028-0836.
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