Flavoxanthin

Flavoxanthin is a natural xanthophyll pigment with a golden-yellow color found in small quantities in a variety of plants. As a food additive it used under the E number E161a as a food coloring although it is not approved for use in the EU[2] or USA. It is listed as food additive 161a in Australia and New Zealand where it is approved for usage as an ingredient in food products.[3]

Flavoxanthin[1]
Names
IUPAC name
(2R,6S,7aR)-2-[(1E,3E,5E,7E,9E,11E,13E,15E)-16-[(1R,4R)-4-Hydroxy-2,6,6-trimethyl-1-cyclohex-2-enyl]-1,5,10,14-tetramethylhexadeca-1,3,5,7,9,11,13,15-octaenyl]-4,4,7a-trimethyl-2,5,6,7-tetrahydrobenzofuran-6-ol
Other names
•5,8-Epoxy-5,8-dihydro-γ
-carotene-3,3'-diol
•all-trans-Flavoxanthin
•E161a
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
E number E161a (colours)
KEGG
UNII
Properties
C40H56O3
Molar mass 584.87 g/mol
Appearance Yellow solid
Melting point 184 °C (363 °F; 457 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

References
  1. Merck Index, 11th Edition, 4032.
  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.


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