Flavoxanthin
Flavoxanthin[ 1]
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 -FlavoxanthinE161a
Identifiers
ChEBI
ChemSpider
E number E161a (colours)
KEGG
UNII
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
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
C40 H56 O3
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).
Chemical compound
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] [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]
References
