METHODS:The qualitative analysis of Piper longum L.and essential oils of Caryophylli were carried out by TLC,and the contnet of total flavone of feejell in preparation by spectrophotography.

• 方法:用薄层色谱法鉴别荜菝、丁香油;用分光光度法测定制剂中蜂胶总黄酮的含量。