Flavoxanthin

Flavoxanthin

Names
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 5,8-Epoxy-5,8-dihydro-γ-carotene-3,3'-diol all-trans-Flavoxanthin E161a
Identifiers
CAS Number	512-29-8 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:5087 N
ChemSpider	4444650 N
E number	E161a (colours)
KEGG	C08594 N
PubChem CID	5281238
UNII	S1D2WO17XX Y
InChI InChI=1S/C40H56O3/c1-28(17-13-18-30(3)21-22-35-32(5)23-33(41)25-38(35,6)7)15-11-12-16-29(2)19-14-20-31(4)36-24-37-39(8,9)26-34(42)27-40(37,10)43-36/h11-24,33-36,41-42H,25-27H2,1-10H3/b12-11+,17-13+,19-14+,22-21+,28-15+,29-16+,30-18+,31-20+/t33-,34-,35-,36+,40+/m0/s1 N Key: JRHJXXLCNATYLS-NGZWBNMCSA-N N InChI=1/C40H56O3/c1-28(17-13-18-30(3)21-22-35-32(5)23-33(41)25-38(35,6)7)15-11-12-16-29(2)19-14-20-31(4)36-24-37-39(8,9)26-34(42)27-40(37,10)43-36/h11-24,33-36,41-42H,25-27H2,1-10H3/b12-11+,17-13+,19-14+,22-21+,28-15+,29-16+,30-18+,31-20+/t33-,34-,35-,36+,40+/m0/s1 Key: JRHJXXLCNATYLS-NGZWBNMCBG
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). N verify (what is YN ?) 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 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.