Hypericin, tseem hu ua quercetin-3-o- β- D-galactopyranoside.Nws belongs rau flavonol glycosides thiab yog cov organic compound nrog cov tshuaj formula c21h20o12.Nws yog soluble hauv ethanol, methanol, acetone thiab pyridine thiab ruaj khov nyob rau hauv ib txwm muaj.Lub aglycone yog quercetin thiab pawg suab thaj yog galactopyranose, uas yog tsim los ntawm O atom ntawm txoj hauj lwm 3 ntawm quercetin β Glycosidic bonds yog txuas nrog cov suab thaj.Hypericin yog dav faib.Nws yog ib qho tseem ceeb ntawm cov khoom ntuj tsim nrog ntau yam kev ua haujlwm ntawm lub cev, xws li tshuaj tiv thaiv, antispasmodic, diuretic, hnoos, txo cov ntshav siab, txo cov roj cholesterol, protein assimilation, hauv zos thiab hauv nruab nrab analgesia, thiab tiv thaiv cov hlab plawv thiab paj hlwb.