The optimum process of extracting corosolic acid, an anti-diabetic component from Eriobotrya japonica leaves was(studied).
研究了枇杷葉中治療Ⅱ型糖尿病有效成分科羅索酸的最佳提取工藝。
A method was developed for the determination of corosolic acid in Eriobotrya japonica leaves by reversed-phase high performance liquid chromatography(RP-HPLC).
采用反相高效液相色譜法測定了枇杷葉中科羅索酸的含量。
Results The compounds were identified as: Maslinic acid(Ⅰ),Corosolic acid(Ⅱ),oleanlic acid(Ⅲ),ursolic acid(Ⅳ).
結(jié)果共獲得4個(gè)三萜酸成分,并確定它們的化學(xué)結(jié)構(gòu)分別為:山楂酸(Maslinic acid,Ⅰ),科羅索酸(Corosolic acid,Ⅱ),齊墩果酸(oleanlic acid,Ⅲ),熊果酸(ursolic acid,Ⅳ)。