Methods:Using orthogonal designed compound dextromethorphan syrup as a model drug.The grade point synthesized was introduced to quantify the stability characteristics.

• 方法:以复方氢溴酸右美沙芬糖浆为模型药物,采用正交设计,在评价指标中引入综合评分来量化稳定性和口感,考察不同处方、工艺对此指标的影响程度。