Citranaxanthin
Names | |
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IUPAC name 5′-Apo-β,χ-caroten-6(5H)-one | |
Systematic IUPAC name (3E,5E,7E,9E,11E,13E,15E,17E,19E)-5,9,14,18-Tetramethyl-20-(2,6,6-trimethyl-1-cyclohex-1-en-1-yl)icosa-3,5,7,9,11,13,15,17,19-nonaen-2-one | |
Other names
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Identifiers | |
CAS Number |
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3D model (JSmol) |
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ChEBI |
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ChemSpider |
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ECHA InfoCard | 100.020.693 |
EC Number |
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E number | E161i (colours) |
PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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InChI
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Properties | |
Chemical formula | C33H44O |
Molar mass | 456.714 g·mol−1 |
Appearance | Deep violet crystals |
Solubility in water | Insoluble |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references |
Chemical compound
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 Archived 2012-10-17 at the Wayback Machine, Food and Agriculture Organization of the United Nations
- ^ Citranaxanthin, International Programme on Chemical Safety
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