HPLC Quantification of Nine Chemical Constituents from the Five Parts of Abutilon theophrasti Medic.

A method of reversed-phase high-performance liquid chromatography (RP-HPLC) was established for the simultaneous determination of gallic acid, protocatechuic acid, catechin, vanillic acid, caffeic acid, ferulic acid, rutin, quercetin and syriacusin A in the ethanolic extracts from the five parts (roots, stems, leaves, seeds and exocarps) of Abutilon theophrasti Medic. The nine components in the sample were extracted with 70% ethanol solution in...