Herb Source:The producederive from Hypericum perforatum L. H.ascyron L.of Guttiferae ,and Acacia melanoxylon R.Br.of Leguminosae. Synonyms Hyperin; Quercetin-3-galactoside Structural formula: Molecular Formula and Molecular Weight C21H20O12 MW 464.38 Melting Point 225-226oC Solubility Soluble in ethyl acetate:formic acid:acetic acid:water (100:11:11:27) Appearance light Yellow powder Pharmacology fuction: Anti-inflammation Relieve a cough Assimilation Prevent cataract pertain to sugar diabetes kinds,etc. If you have any needs ,please contact us.Thanks very much. Tel: +86-25-883972016 cn_herb at hotmail.com Fax: +86-25-85328433 Name:Mr. Long