Rubixanthin

Rubixanthin[1]
IUPAC name

(1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E,19E)-3,7,12,16,20,24-Hexamethylpentacosa-1,3,5,7,9,11,13,15,17,19,23-undecaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol
Other names

•(3R)-beta, psi-Caroten-3-ol
•Natural yellow 27
•E161d
Identifiers
CAS number 3763-55-1 Y
PubChem 5281252
Jmol-3D images Image 1
Properties
Molecular formula C40H56O
Molar mass 552.85 g/mol
Appearance Red-orange crystals
Melting point

160 °C
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Rubixanthin, or natural yellow 27, is a natural xanthophyll pigment with a red-orange color found in rose hips. As a food additive it used under the E number E161d as a food coloring; it is not approved for use in the USA or EU[2] but is approved in Australia and New Zealand[3] where it is listed as 161d.

References

  1. ^ Merck Index, 11th Edition, 8265.
  2. ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". http://www.food.gov.uk/safereating/chemsafe/additivesbranch/enumberlist. Retrieved 2011-10-27. 
  3. ^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". http://www.comlaw.gov.au/Details/F2011C00827. Retrieved 2011-10-27.