Methods Orthogonal experiment was used to determine the optimal soaking period , water amount, and decocting time with the extract yield and chlorogenic acid yield as markers.

• 方法采用正交实验的方法,以绿原酸提取率和得膏率为指标,来考查浸泡时间、加水量和煎煮时间对绿原酸提取效果的影响。