Syringetin

Syringetin
Identifiers
CAS number 4423-37-4 YesY
PubChem 5281953
ChEBI CHEBI:18215 YesY
Jmol-3D images Image 1
Properties
Molecular formula C17H14O8
Molar mass 346.28 g/mol
 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Syringetin is an O-methylated flavonol, a type of flavonoid. It is found in red grape (absent in white grape),[1] in Lysimachia congestiflora[2] and in Vaccinium uliginosum (bog billberries).[3] It is one of the phenolic compounds present in wine.[4]

It induces human osteoblast differentiation through bone morphogenetic protein-2/extracellular signal-regulated kinase 1/2 pathway.[5]

Metabolism

Syringetin is formed from laricitrin by the action of the enzyme laricitrin 5'-O-methyltransferase[1][6] (myricetin O-methyltransferase).[7]

Glycosides

  • syringetin-3-O-galactoside[1][8]
  • Syringetin-3-O-glucoside[9][10]
  • Syringetin 3-rhamnoside (CAS number 93126-00-2)
  • Syringetin-3-O-rutinoside[9] found in Larix sibirica[11]
  • Syringetin 3-O-(6″-acetyl)-β-glucopyranoside found in Picea abies (Norway spruce)[12]

References


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