Methods With different menstruum and macroporous adsorption resin to extract p-comaric acid in Oldenlandia diffusa(willd.) Roxb,and the contents were scaned by hplc,to select the best method.

• 方法采用有机溶酶提取与大孔树脂动态吸附相结合的方法,用高效液相法测定所得的样品中对香豆酸含量,最终确定最佳工艺。