Citranaxanthin
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]
Names | |
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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 | |
3D model (JSmol) |
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.020.693 |
EC Number |
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E number | E161i (colours) |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C33H44O | |
Molar mass | 456.714 g·mol−1 |
Appearance | Deep violet crystals |
Insoluble | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Infobox references | |
References
- Citranaxanthin, Food and Agriculture Organization of the United Nations
- Citranaxanthin, International Programme on Chemical Safety
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