The results indicated that it can antagonize tracheal spasm induced by histamine or acetylcholine increase perfusion flow of bronchi and pulmo prolong the incubation period of induced asthma and relax asthma symptom .

研究结果证明，本品具有对抗组胺、乙酰胆碱引起的 气管痉挛，增加 支气管 肺灌流量，延长引喘潜伏期及缓解喘息症状。