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quercetin

Structure via PubChem · Public domain (PubChem)

EntityQ409478· pop 33· linked from 1,317 articles

Also known as xanthaurine, 3,3',4',5,7-pentahydroxyflavone, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one, 3',4',5,7-Tetrahydroxyflavon-3-ol, quercetol, 3',4',5,7-tetrahydroxyflavan-3-ol, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-chromen-4-one, 3,5,7-trihydroxy-2-(3,4-dihydroxyphenyl)-4H-chromen-4-on

thumb|right|class=skin-invert-image|UV visible spectrum of quercetin, with lambda max at 369 nm

Chemical data

Formula
C15H10O7
Molecular weight
302.23 g/mol
IUPAC name
2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one
SMILES
C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O)O
InChIKey
REFJWTPEDVJJIY-UHFFFAOYSA-N
XLogP
1.5
Polar surface area
127 Ų
H-bond donors
5
H-bond acceptors
7
Formal charge
0

via PubChem

Research

34,578 papers

via PubMed

Wikidata facts

Mass
302.043
Show 6 more facts
MCN code
3003.90.61
chemical formula
C₁₅H₁₀O₇
Commons category
Quercetin
canonical SMILES
C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O)O
density
1.799
melting point
316
Sources (5)

via Wikidata · CC0

~9 min read

Article

13 sections
Contents
  • Occurrence
  • Biosynthesis
  • Glycosides
  • Rutin degradation pathway
  • Pharmacology
  • Pharmacokinetics
  • Metabolism
  • Food safety
  • Health claims
  • Safety
  • See also
  • References
  • External links

thumb|right|class=skin-invert-image|UV visible spectrum of quercetin, with lambda max at 369 nm

Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains; capers, red onions, and kale are common foods containing appreciable amounts of it. It has a bitter flavor and is used as an ingredient in dietary supplements, beverages, and foods.

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