Astragalin

Astragalin is a naturally occurring flavanoid chemical compound with a yellow colour. It was first isolated from Astragalus sinicus after which it is named.

Chemical data

Formula: C21H20O11
Molecular weight: 448.4 g/mol
IUPAC name: 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one

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Drug data · ChEMBL

Molecule type: Small molecule

via ChEMBL · EBI

Wikidata facts

Mass: 448.10056146

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chemical formula: C₂₁H₂₀O₁₁
isomeric SMILES: O=C2C(\O[C@@H]1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)CO)=C(/Oc3cc(O)cc(O)c23)c4ccc(O)cc4
canonical SMILES: O=C1C(OC2OC(CO)C(O)C(O)C2O)=C(OC=3C=C(O)C=C(O)C13)C=4C=CC(O)=CC4

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{{chembox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 477368973 | Name = Astragalin | ImageFile = Astragalin.svg | ImageSize = 300px | ImageName = Astragalin structure | IUPACName = 3-(β-D-Glucopyranosyloxy)-4′,5,7-trihydroxyflavone | SystematicName = 5,7-Dihydroxy-2-(4-hydroxyphenyl)-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one | OtherNames= Astragalineasragalinkaempferol-3-glucosideKaempferol 3-glucosideKaempferol 3-O-glucosideKaempferol-3-O-glucosideKaempferol-3-D-glucosideKaempferol-3-beta-monoglucosideKaempferol 3-O-β-D-glucopyranoside |Section1= |Section2= }} Astragalin is a naturally occurring flavanoid chemical compound with a yellow colour. It was first isolated from Astragalus sinicus after which it is named.

It can be isolated from Phytolacca americana (the American pokeweed) or in the methanolic extract of fronds of the fern Phegopteris connectilis. It is also found in wine.