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betanin
Sign in to saveAlso known as beetroot red
Betanin, or beetroot red, is a red glycosidic food dye obtained from beets; its aglycone, obtained by hydrolyzing the glucose molecule, is betanidin. As a food additive, its E number is E162. As a food additive, betanin has no safety concerns.
Chemical data
- Formula
- C24H26N2O13
- Molecular weight
- 550.5 g/mol
- IUPAC name
- (2S)-1-[2-[(2S)-2,6-dicarboxy-2,3-dihydro-1H-pyridin-4-ylidene]ethylidene]-6-hydroxy-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydroindol-1-ium-2-carboxylate
- SMILES
- C1[C@H](NC(=CC1=CC=[N+]2[C@@H](CC3=CC(=C(C=C32)O)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)C(=O)[O-])C(=O)O)C(=O)O
- InChIKey
- DHHFDKNIEVKVKS-FMOSSLLZSA-N
- XLogP
- -0.9
- Polar surface area
- 249 Ų
- H-bond donors
- 8
- H-bond acceptors
- 14
- Formal charge
- 0
via PubChem
~4 min read
Encyclopedic overview
8 sectionsContents
- Sources
- Uses
- Photophysics and photoprotection
- Degradation and stability
- Safety
- See also
- References
- Further reading
{{chembox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 444073517 | Name = Betanin | ImageFile = Betanin.svg | ImageClass = skin-invert-image
| ImageName = | ImageFile2 = Betanin ball-and-stick.png | IUPACName = (2S)-1-{2-[(2S)-2,6-dicarboxy-2,3-dihydropyridin-4(1H)-ylidene]ethylidene}-5-(β--glucopyranosyloxy)-6-hydroxy-2,3-dihydro-1H-indol-1-ium-2-carboxylate | Section1 = | Section2 = }} Betanin, or beetroot red, is a red glycosidic food dye obtained from beets; its aglycone, obtained by hydrolyzing the glucose molecule, is betanidin. As a food additive, its E number is E162. As a food additive, betanin has no safety concerns.
Excerpted from Wikipedia’s “betanin” article, available under the CC BY-SA 4.0 licence.