flavoxanthin
{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 420197997
| Reference =Merck Index, 11th Edition, 4032.
| ImageFile =Flavoxanthin.png
| ImageSize =320px
| ImageAlt = Skeletal formula of flavoxanthin
| ImageFile1 = Flavoxanthin 3D spacefill.png
| ImageSize1 = 320
| ImageAlt1 = Space-filling model of the flavoxanthin molecule
| IUPACName = (3R,5R,8R,3′R,6′R)-5,8-Epoxy-5,8-dihydro-β,ε-carotene-3,3′-diol
| SystematicName = (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
| OtherNames ={{Unbulleted list
| 5,8-Epoxy-5,8-dihydro-γ-carotene-3,3'-diol
| all-trans-Flavoxanthin
| E161a
}}
|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|??}}
| CASNo =512-29-8
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = S1D2WO17XX
| PubChem =5281238
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 4444650
| ChEBI_Ref = {{ebicite|changed|EBI}}
| ChEBI = 5087
| KEGG_Ref = {{keggcite|changed|kegg}}
| KEGG = C08594
| 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
| 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
| InChIKey = JRHJXXLCNATYLS-NGZWBNMCBG
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 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
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = JRHJXXLCNATYLS-NGZWBNMCSA-N
}}
|Section2={{Chembox Properties
| Formula =C40H56O3
| MolarMass =584.87 g/mol
| Appearance =Yellow solid
| Density =
| MeltingPtC = 184
| BoilingPt =
| Solubility =
}}
|Section3={{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt =
}}
}}
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 EUUK Food Standards Agency: {{cite web |url=http://www.food.gov.uk/safereating/chemsafe/additivesbranch/enumberlist |title=Current EU approved additives and their E Numbers |access-date=2011-10-27}} or USA.{{citation needed|date=October 2011}} It is listed as food additive 161a in Australia and New Zealand where it is approved for usage as an ingredient in food products.Australia New Zealand Food Standards Code{{cite web |url=http://www.comlaw.gov.au/Details/F2011C00827 |title=Standard 1.2.4 - Labelling of ingredients |access-date=2011-10-27}}
References
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{{Carotenoids}}
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