Echinenone is a xanthophyll, with formula C40H54O. It is found in some cyanobacteria. It is synthesized from β-carotene by the enzyme beta-carotene ketolase (or CrtW). It has also been isolated from sea urchins.
|Preferred IUPAC name
3D model (JSmol)
|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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- 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.