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.[citation needed] 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]
Names | |
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IUPAC name (3R,5R,8R,3′R,6′R)-5,8-Epoxy-5,8-dihydro-β,ε-carotene-3,3′-diol | |
Systematic IUPAC name (2R,6S,7aR)-2-{(2E,4E,6E,8E,10E,12E,14E,16E)-17-[(1R,4R)-4-Hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-6,11,15-trimethylheptadeca-2,4,6,8,10,12,14,16-octaen-2-yl}-4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydro-1-benzofuran-6-ol | |
Other names
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Identifiers | |
3D model (JSmol) | |
ChEBI | |
ChemSpider | |
E number | E161a (colours) |
KEGG | |
PubChem CID | |
UNII | |
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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). |
References edit
- ^ Merck Index, 11th Edition, 4032.
- ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
- ^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.
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