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CAS number 3604-90-8
ChemSpider 21171932
Jmol-3D images Image 1
Molecular formula C33H44O
Molar mass 456.70 g mol−1
Appearance Deep violet crystals
Solubility in water Insoluble
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]


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