Guaijaverin

Guaijaverin is the 3-O-arabinoside of quercetin. It is found in the leaves of Psidium guajava, the common guava.[1][2][3]

Guaijaverin
Names
IUPAC name
3-(α-L-Arabinopyranosyloxy)-3′,4′,5,7-tetrahydroxyflavone
Preferred IUPAC name
2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-{[(2S,3R,4S,5S)-3,4,5-trihydroxyoxan-2-yl]oxy}-4H-1-benzopyran-4-one
Other names
Guajavarin
Guaijaverin
Guajaverin
CHEMBL464507
Quercetin 3-arabinoside
Identifiers
3D model (JSmol)
  • C1C(C(C(C(O1)OC2=C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)O)O)O
Properties
C20H18O11
Molar mass 434.353 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References
  1. Guaijaverin–a plant flavonoid as potential antiplaque agent against Streptococcus mutans. GR Prabu, A Gnanamani, S Sadulla, Journal of Applied Microbiology, 2006
  2. Polyphenols of the leaves of psidium guava — quercetin, guaijaverin, leucocyanidin and amritoside. TR Seshadri, K Vasishta - Phytochemistry, 1965
  3. 675. Constituents of the leaves of Psidium guaijava, L. Part II. Quercetin, avicularin, and guaijaverin. H El Khadem, YS Mohammed, Journal of the Chemical Society (Resumed), 1958
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