Capsorubin
Appearance
Names | |
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IUPAC name
(2E,4E,6E,8E,10E,12E,14E,16E,18E)-1,20-Bis[(1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl]-4,8,13,17-tetramethylicosa-2,4,6,8,10,12,14,16,18-nonaene-1,20-dione
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Other names
(3S,5R,3′S,5′R)-3,3'-Dihydroxy-κ,κ-carotene-6,6′-dione
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.006.752 |
EC Number |
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E number | E160c(ii) (colours) |
KEGG | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C40H56O4 | |
Molar mass | 600.884 g·mol−1 |
Melting point | 201 °C (394 °F; 474 K)[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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Capsorubin is a natural red dye of the xanthophyll class. As a food coloring, it has the E number E160c(ii). Capsorubin is a carotenoid found in red bell pepper (Capsicum annuum) and a component of paprika oleoresin.
References
- ^ Zechmeister, L.; Annalen der Chemie, Justus Liebigs, 1935, S. 30–45