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Capsanthin is a natural red dye of the xanthophyll class. As a food coloring, it has the E number E160c(i). Capsanthin is the main carotenoid in red bell pepper (Capsicum annuum) and a component of paprika oleoresin.[1]

Capsanthin
Capsanthin.svg
Names
IUPAC name
(2E,4E,6E,8E,10E,12E,14E,16E,18E)-19-[(4R)-4-Hydroxy-2,6,6-trimethylcyclohexen-1-yl]-1-[(1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl]-4,8,13,17-tetramethylnonadeca-2,4,6,8,10,12,14,16,18-nonaen-1-one
Other names
(3R,3′S,5′R)-3,3′-Dihydroxy-β,κ-caroten-6′-one
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.006.696
EC Number 207-364-1
E number E160c(i) (colours)
KEGG
UNII
Properties
C40H56O3
Molar mass 584.885 g·mol−1
Appearance Deep red solid[1]
Melting point 181–182 °C (358–360 °F; 454–455 K)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

ReferencesEdit

  1. ^ a b c Merck Index (12th ed.). p. 288. Record 1812.