论文部分内容阅读
研究藤杜仲的化学成分 ,经乙醇回流提取 ,硅胶柱层分离 ,得到两个结晶性单体 ,经理化常数和光谱测试、分别鉴定为硬脂酸 ( I) ,β-谷甾醇 ( )
The chemical composition of Eucommia ulmoides was studied by ethanol reflux extraction and silica gel column separation to obtain two crystalline monomers, the managerial constants and spectral tests, respectively identified as stearic acid (I), β-sitosterol ()