The extracts of flavonoids were analyzed and identified by the methods of ultraviolet spectrum, polyamidefilm chromatography and infrared spectrum.
利用紫外可见吸收光谱、聚酰胺薄层层析、红外光谱等分析手段对黄酮提取物进行分析和表征。
2
Methods:Silica gel G plate was used to indentify Radix Isatidis and Folium Isatidis, polyamidefilm board was used to indentify Flos Chrysanthemi Indici.
方法：分别采用硅胶G板对板蓝根、大青叶、重楼，聚酰胺薄膜板对野菊花进行薄层鉴别。
3
The results showed that the solvent content in the polyamidefilm decreased with rising of drying temperature and the initial solvent content, and decreases of film thickness.