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^Y
3D model (Jmol)	Interactive image
ChEBI	CHEBI:5087^N
ChemSpider	4444650^N
E number	E161a (colours)
KEGG	C08594^N
PubChem	5281238
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^[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

↑ 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.

Carotenoids

Carotenes (C₄₀)	α-Carotene β-Carotene γ-Carotene δ-Carotene ε-Carotene ζ-Carotene Lycopene Neurosporene Phytoene Phytofluene Torulene Lycopersene

Xanthophylls (C₄₀)	Antheraxanthin Astaxanthin Canthaxanthin Citranaxanthin Cryptoxanthin Diadinoxanthin Diatoxanthin Dinoxanthin Echinenone Flavoxanthin Fucoxanthin Lutein Neoxanthin Rhodoxanthin Rubixanthin Violaxanthin Zeaxanthin

Apocarotenoids (C_<40)	Abscisic acid Apocarotenal Bixin Crocetin Food orange 7 Ionones Peridinin

Vitamin A retinoids (C₂₀)	Retinal Retinoic acid Retinol

Retinoid drugs	Acitretin Alitretinoin Bexarotene Etretinate Fenretinide Isotretinoin Tazarotene Temarotene Tretinoin Zuretinol acetate

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