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CAS number 512-29-8 YesY
PubChem 5281238
Jmol-3D images Image 1
Molecular formula C40H56O3
Molar mass 584.87 g/mol
Appearance Yellow solid
Melting point 184 °C (363 °F; 457 K)
Except where noted otherwise, 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.[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]


  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.