Effects on the tracheal phenol red secretion in mice and the esophageal mucociliary movement in frogs were observed in the three groups.

• 结果痰咳宁组、无麻组、麻黄碱组均能增强小鼠气道酚红排泄量,加快青蛙食道纤毛运动的速度,但痰咳宁组的作用强度明显优于无麻组或麻黄碱组。