Flavoxanthin

Flavoxanthin^[1]

Names
IUPAC names (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
CAS Number	512-29-8
Jmol interactive 3D	Image
PubChem	5281238
SMILES CC1=C[C@@H](CC([C@H]1\C=C\C(=C\C=C\C(=C\C=C\C=C(/C)\C=C\C=C(/C)\[C@H]2C=C3C(C[C@@H](C[C@]3(O2)C)O)(C)C)\C)\C)(C)C)O
Properties
Chemical formula	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).
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Infobox references

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]

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.