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Fustin

Names
IUPAC name 2-(3,4-dihydroxyphenyl)-3,7-dihydroxy-2,3-dihydrochromen-4-one
Other names Dihydrofisetin Tetrahydroxyflavanone 3,7,3',4'-Tetrahydroxyflavanone 2,3-Dihydrofisetin 3′,4′,7-trihydroxyflavanol
Identifiers
CAS Number	20725-03-5
3D model (JSmol)	Interactive image
ECHA InfoCard	100.039.975
PubChem CID	5317435
CompTox Dashboard (EPA)	DTXSID401136309
SMILES C1=CC(=C(C=C1C2C(C(=O)C3=C(O2)C=C(C=C3)O)O)O)O
Properties
Chemical formula	C15H12O6
Molar mass	288.25 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is  ?) Infobox references

Fustin is a flavanonol, a type of flavonoid. It can be found in young fustic (Cotinus coggygria) and in the lacquer tree (Toxicodendron vernicifluum, aka Rhus verniciflua).

Fustin shows protective effects on 6-hydroxydopamine-induced neuronal cell death.

Fustin is also known as "dihydrofisetin"; see Fisetin.

Fustin possesses stereoisomers : (-)-Fustin and (+)-Fustin.

References

1. Phytochemical analysis of young fustic (Cotinus coggygria heartwood) and identification of isolated colourants in historical textiles, Lemonia Valianou, Konstantina Stathopoulou, Ioannis Karapanagiotis, Prokopios Magiatis, Eleni Pavlidou, Alexios-Leandros Skaltsounis and Yannis Chryssoulakis, 2009
2. ^ Protective effects of fustin, a flavonoid from Rhus verniciflua Stokes, on 6-hydroxydopamine-induced neuronal cell death. Park BC, Lee YS, Park HJ, Kwak MK, Yoo BK, Kim JY, Kim JA. 2007

• Flavanonols
• Catechols