Diatoxanthin
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| Names | |
|---|---|
| IUPAC name
(3R,3′R)-7,8-Didehydro-β,β-carotene-3,3′-diol | |
| Systematic IUPAC name
(1R,1′R)-4,4′-[(1E,3E,5E,7E,9E,11E,13E,15E)-3,7,12,16-Tetramethyloctadeca-1,3,5,7,9,11,13,15-octaen-17-yne-1,18-diyl]bis(3,5,5-trimethylcyclohex-3-en-1-ol) | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C40H54O2 | |
| Molar mass | 566.870 g·mol−1 |
| Appearance | Yellow solid |
| Density | 1.02 g/mL |
| Boiling point | 708.3 °C (1,306.9 °F; 981.4 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Diatoxanthin is a type of xanthophyll found in phytoplankton and diatoms.[1] It plays a vital role in photoprotection in diatoms, where the diadinoxanthin-diatoxanthin cycle is an important short-term photoprotective mechanism.[2] Diatoxanthin has also been investigated for uses in treating breast cancer.[3]
References
[edit]- ↑ Stauber, Jennifer L.; Jeffrey, S. W. (1988). "Photosynthetic Pigments in Fifty-One Species of Marine Diatoms". Journal of Phycology. 24 (2): 158–172. doi:10.1111/j.1529-8817.1988.tb04230.x. ISSN 1529-8817.
- ↑ Bertrand, Martine (2010-11-01). "Carotenoid biosynthesis in diatoms". Photosynthesis Research. 106 (1): 89–102. doi:10.1007/s11120-010-9589-x. ISSN 1573-5079.
- ↑ Sansone, Clementina; Pistelli, Luigi; Brunet, Christophe (2025-03-09). "The marine xanthophyll diatoxanthin as ferroptosis inducer in MDAMB231 breast cancer cells". Scientific Reports. 15 (1): 8146. doi:10.1038/s41598-025-91519-6. ISSN 2045-2322. PMC 11891320.
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