Comparison on different extraction processes of total flavonoids in Chrysanthemum indicum and its anti-oxidant effect Preparation of paeoniflorin lipid liquid crystalline nanoparticles and its in vitro release HPLC fingerprint of Aquilariae Resinatum Lignum in China Establishment of HPLC-DAD multi-wavelength chromatographic fingerprints of Rehmanniae Radix and its application in processing Rehmanniae Radix Praeparae Preparation and Characterization of Hydroxycamptothecin Nanoparticles using Anti-solvent Ultrasonic Method Optimum Extraction Process of Total Flavonoids in Juglans mandshurica Leaves Preparation of glycyrrhetinic acid niosomes and optimization of its prescription process