Guaijaverin

Guaijaverin
Names
	IUPAC name 3-(α-L-Arabinopyranosyloxy)-3′,4′,5,7-tetrahydroxyflavone
	Systematic 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
CAS Number	22255-13-6;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL464507;
ChemSpider	4587174;
EC Number	250-156-0;
PubChem CID	5481224;
CompTox Dashboard (EPA)	DTXSID60176795 ;
	InChI InChI=1S/C20H18O11/c21-8-4-11(24)14-13(5-8)30-18(7-1-2-9(22)10(23)3-7)19(16(14)27)31-20-17(28)15(26)12(25)6-29-20/h1-5,12,15,17,20-26,28H,6H2/t12-,15-,17+,20-/m0/s1 Key: PZZRDJXEMZMZFD-IEGSVRCHSA-N;
	SMILES C1[C@@H]([C@@H]([C@H]([C@@H](O1)OC2=C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)O)O)O;
Properties
Chemical formula	C20H18O11
Molar mass	434.353 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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

References

^ Prabu, G.R.; Gnanamani, A.; Sadulla, S. (2006). "Guaijaverin – a plant flavonoid as potential antiplaque agent against Streptococcus mutans". Journal of Applied Microbiology. 101 (2): 487–495. doi:10.1111/j.1365-2672.2006.02912.x. PMID 16882158. S2CID 11574034.
^ Seshadri, T.R.; Vasishta, Krishna (1965). "Polyphenols of the leaves of psidium guava—quercetin, guaijaverin, leucocyanidin and amritoside". Phytochemistry. 4 (6): 989–992. Bibcode:1965PChem...4..989S. doi:10.1016/S0031-9422(00)86281-0.
^ El Khadem, H.; Mohammed, Y. S. (1958). "675. Constituents of the leaves of Psidium guaijava, L. Part II. Quercetin, avicularin, and guaijaverin". Journal of the Chemical Society (Resumed): 3320. doi:10.1039/JR9580003320.