Violaxanthin

Violaxanthin[1]
Names
IUPAC name
(1S,4S,6R)-1-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4S,6R)-4-Hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-4-ol
Other names
5,6:5',6'-Diepoxy-5,5',6,6'-tetrahydro-β-carotene-3,3'-diol, Zeaxanthin diepoxide, all-trans-Violaxanthin, E161e
Identifiers
126-29-4 Yes
ChEBI CHEBI:35288 Yes
ChemSpider 395237 Yes
Jmol-3D images Image
PubChem 448438
Properties
C40H56O4
Molar mass 600.85 g/mol
Appearance Orange crystals
Melting point 200 °C (392 °F; 473 K)
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 Yes verify (what is: Yes/?)
Infobox references

Violaxanthin is a natural xanthophyll pigment with an orange color found in a variety of plants including pansies. It is biosynthesized from zeaxanthin by epoxidation.[1] As a food additive it used under the E number E161e as a food coloring; it is not approved for use in the EU[2] or USA however is approved in Australia and New Zealand[3] (where it is listed under its INS number 161e).

References

  1. ↑ 1.0 1.1 Merck Index, 11th Edition, 9902.
  2. ↑ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
  3. ↑ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.