方法以小鼠氨水引咳法与小鼠酚红祛痰法，观察咳宁方的镇咳、祛痰作用。
Method To observe the effects of relieving cough and expelling phlegm of Kening Formula through ammonia water inducing cough and phenol red apophlegmating in mice.
用小鼠气道酚红排泄法和蛙上腭纤毛运动法观察枇杷膏的祛痰作用。
Excretion function of the airway in mice was determined by phenol red method.
小鼠呼吸道酚红排痰量法、大鼠毛细管排痰量法观察其祛痰作用。
Observation on the phlegm expelling effect was completed by using phenol red.
方法：利用浓氨水喷雾法，枸橼酸喷雾引咳法，毛细玻管引痰法及采用观察小鸭气管纤毛运动的方法来研究信宁咳糖浆在镇咳、祛痰方面的药理作用。
Methods: Observing the incubative period and the times of cough induced by ammonia liquor or citric acid phlegm displacement of rat, the tracheal ciliary movement of duck.
用气管段酚红法研究其祛痰作用。
Tracheal phenol red test was conducted to investigate the effect of phlegm expelling.
方法采用水和醇对芒果叶提取，提取物对小鼠进行氨水引咳法和酚红气管排泄法镇咳、祛痰实验。
Methods The extract was separated from Mango leaves using distilled water and ethanol as solvents. An antitussive and expectorant test was performed on mice with cough induced by ammonia water.
综合分析不同部位的镇咳、祛痰、平喘活性实验结果，样品C即酸碱法的氯仿部位（主要含生物碱）效果较好。
The third sample CHCl 3 part of acid base method (mainly containing alkaloids) is better according to the antitussive, expectorant and antiasthmatic activities.
综合分析不同部位的镇咳、祛痰、平喘活性实验结果，样品C即酸碱法的氯仿部位（主要含生物碱）效果较好。
The third sample CHCl 3 part of acid base method (mainly containing alkaloids) is better according to the antitussive, expectorant and antiasthmatic activities.
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