Citranaxanthin

From Wikipedia, the free encyclopedia

Citranaxanthin
IUPAC name (3E,5E,7E,9E,11E,13E,15E,17E,19E)-5,9,14,18-Tetramethyl-20-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3,5,7,9,11,13,15,17,19-eicosanonaen-2-one
Other names E161i
Identifiers
CAS number [3604-90-8]
SMILES C/C(/C=C/C1=C(C)CCC(C)(C)C1)=C\C=C\C(C)=C\C=C\C=C(C)\C=C\C=C(C)\C=C\C(C)=O
Properties
Molecular formula C33H44O
Molar mass 456.70 g/mol
Appearance Deep violet crystals
Solubility in water Insoluble
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Citranaxanthin is a carotenoid pigment used as a food additive under the E number E161i as a food coloring. There are natural sources of citranaxanthin, but it is generally prepared synthetically.[1] It is used as an animal feed additive to impart a yellow color to chicken fat and egg yolks.[2]

[edit] References

  1. ^ Citranaxanthin, Food and Agriculture Organization of the United Nations
  2. ^ http://www.inchem.org/documents/jecfa/jecmono/v22je11.htm Citranaxanthin], International Programme on Chemical Safety
Languages