Results:CNB extract could reduce the writhing times of the mice induce by acetic acid,raise the mice threshold of pain induced by hot and electric stimulation obviously,and it had dosage reliability.

• 结果:夜来香正丁醇提取物对醋酸诱发小鼠扭体反应,热板致痛、电刺激致痛诱发的疼痛有显著的镇痛作用,且呈剂量依赖性。