In this paper,the contents of chlorogenic acid in extracts obtained by ultrasonic and aqueous extraction of Lonicera japonica thunb.were investigated.

• 采用超声波法提取金银花中的绿原酸,并与水提法进行比较。采用薄层层析法进行分离。用紫外分光光度法测定绿原酸的含量。