Citranaxanthin

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Citranaxanthin
Citranaxanthin.png
Names
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
ChemSpider 21171932
Jmol-3D images Image
Properties
C33H44O
Molar mass 456.70 g·mol−1
Appearance Deep violet crystals
Insoluble
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox 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]

References[edit]

  1. ^ Citranaxanthin, Food and Agriculture Organization of the United Nations
  2. ^ Citranaxanthin, International Programme on Chemical Safety