Rhodoxanthin: Difference between revisions

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Rhodoxanthin
Names

IUPAC name (4E)-3,5,5-Trimethyl-4--1-cyclohex-2-enone
Other names •4',5'-Didehydro-retro-β-carotene-3,3'-dione •E161f
Identifiers
CAS Number	116-30-3
3D model (JSmol)	Interactive image
E number	E161f (colours)
PubChem CID	5281251
CompTox Dashboard (EPA)	DTXSID201017050
SMILES CC1=CC(=O)CC(C1=CC=C(C)C=CC=C(C)C=CC=CC(=CC=CC(=CC=C2C(=CC(=O)CC2(C)C)C)C)C)(C)C
Properties
Chemical formula	C₄₀H₅₀O₂
Molar mass	562.82 g/mol
Appearance	Purple crystals
Melting point	219 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

Chemical compound

Rhodoxanthin is a xanthophyll pigment with a purple color that is found in small quantities in a variety plants including Taxus baccata. It is also found in the feathers of some birds. As a food additive it is used under the E number E161f as a food coloring.

References

^ Merck Index, 11th Edition, 8196.

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