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

采用浓氨水诱法、酚法和气管螺旋条法研究镇、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.

结果止嗽潜伏期长,气管酚量明显增加。