Method: The antitussive, antiasthmatic and expectorant effects of the mixture were observed by concentrated ammonia water method and phenol red method in mice and spray method in cavies. Meanwhile codeine phosphate and ethylenediamine were chosen as control group of positive drug. 方法:采用小鼠浓氨水法、酚红法及豚鼠喷雾法观察百部荆芥合剂在止咳、祛痰及平喘方面的作用同时,分别选用磷酸可待因和氨茶碱作为阳性药物对照比较。
Method: The antitussive, antiasthmatic and expectorant effects of the mixture were observed by concentrated ammonia method and phenol red method in mice and spray method in cavies. 结果:紫菀合剂对小鼠浓氨水法、酚红法诱发的咳嗽、咯痰具有明显的抑制作用。