英语语法分析

Base on the choice of various raw materials, fresh bark was chosen to extract Iridoids compounds such as geniposidic acid (GPA), aucubin (AU) and geniposide (GP).

通过对原材料进行研究，筛选出杜仲鲜皮为提取环烯醚萜化合物京尼平甙酸（GPA）、桃叶珊瑚甙（AU）和京尼平甙（GP）的原料；

To study the ability of aucubin to scavenge free radical and the protective effect of aucubin on tissue homogenate, mitochondria and microsome attacked by gree radical in vitro.

研究了桃叶珊瑚甙对化学体系中产生的自由基的清除作用以及桃叶珊瑚甙对组织匀浆、线粒体、微粒体氧化损伤的保护作用。