Comparison of Active Components of Different Positions and Different Processing Methods / 中国中医药信息杂志

Objective To study the components of Forsythia suspensa in stalks and leaves, and compare the content between the crude-sun-cured and the steam-sun-cured. Methods The components and content in stalks and leaves to fruits of Forsythia suspensa were compared by RP-HPLC. Results There were some same active components in stalks, leaves and fruits, and the steam-sun-cured had higher content. Conclusion The steam-sun-cured stalks and leaves of Forsythia suspensa could be used to extract components and develop the tea.

Quality standard for Yinhua Mangguo Granule / 中成药

AIM: To establish the HPLC-FPC of Yinhua Mangguo extract(Flos lonicerae japonicae,Folium Mangiferae,Pericarpium Citri reticulate,etc.). METHODS: The gradient elution was adopted with acetonitrile,methanol and 0.05% phosphoric acid as a mobile phase.The detection wavelength was at 238 nm. RESULTS: The components of Yinhua Mangguo extract were well separated on HPLC,and the HPLC-FPC of 10 batches of samples was established.The results showed that this method had a good repeatability,and the 12 common peaks had an exclusive properties. CONCLUSION: The method developed can evaluate the quality of Yinhua Mangguo extract.