Phytochemical identification and quantification of quercetin in wedd. leaves by HPLC-DAD with evaluation of antibacterial activity.

is used by traditional medicine. The objective of this work was the leaves chemical study with isolate, identify and quantify the chemical constituent, validate the analytical method and evaluate the antibacterial activity. The ethyl acetate and chloroform fractions were subjected to column chromatography for isolation of the compounds quercetin and lupeol, respectively.