Citranaxanthin
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Citranaxanthin | |
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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 1 |
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Properties | |
Molecular formula | C33H44O |
Molar mass | 456.70 g mol−1 |
Appearance | Deep violet crystals |
Solubility in water | Insoluble |
Except where noted otherwise, data are 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
- ↑ Citranaxanthin, Food and Agriculture Organization of the United Nations
- ↑ Citranaxanthin, International Programme on Chemical Safety
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