The method of strong aqua ammoniac induced cough,the method tracheal spiral line and phenolsulfonphthalein excretion test were used.

采用浓氨水诱咳法、酚红排泌法和气管螺旋条法研究镇咳、祛痰和平喘作用。

RESULTS Zhike syrup obviously prolonged the incubation period of coughing and increasel the bronchotracheal secretion of phenol red.

结果止咳露使咳嗽潜伏期长,使气管酚红排泌量明显增加。