英语语法分析

OBJECTIVE To study the chemical constituents of Hypericum sampsonii Hance.

目的对元宝草的化学成分进行研究。

Results The different plants from Hypericum Linn. showed different HPLC fingerprint spectrum.

结果不同种金丝桃均显示了它们各自的指纹特征。

Objective To compare the contents of hypericin and pseudohypericin in Hypericum performatum L.

目的比较不同产地贯叶连翘中金丝桃素和伪金丝桃素的含量。