Objective : To compare the extraction efficiency of imperialine extracted with different solvents.目的: 比较不同溶剂对西贝素的提取效率的影响....

imperialine的音标：imperialine的英式发音音标为：[ɪm'pɪərɪəlaɪn]imperialine的美式发音音标为：[ɪm'pɪərɪrlaɪn]...

西贝母碱...