Miquelianin

Miquelianin
Names
IUPAC name
3′,4′,5,7-Tetrahydroxy-4-oxoflav-2-en-3-yl β-D-glucopyranosiduronic acid
Systematic IUPAC name
(2S,3S,4S,5R,6S)-6-{[2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl]oxy}-3,4,5-trihydroxyoxane-2-carboxylic acid
Other names
Quercetin 3-O-glucuronide
Quercetol glucuronide
Quercetin 3-glucuronide
Quercetol 3-O-glucuronide
quercetin 3-O-β-D-glucuronopyranoside
Querciturone
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
UNII
  • C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(C(O4)C(=O)O)O)O)O)O)O
Properties
C21H18O13
Molar mass 478.362 g·mol−1
Density 1.961 g/mL
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Miquelianin (quercetin 3-O-glucuronide) is a flavonol glucuronide, a type of phenolic compound present in wine, in species of St John's wort, like Hypericum hirsutum, in Nelumbo nucifera (Indian lotus) or in green beans.

It is also a rat plasma quercetin metabolite. It shows an antioxidant effect in human plasma. In vitro studies indicate that miquelianin is able to reach the central nervous system from the small intestine.

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