Simultaneous determination of eleven ingredients in Xinnaokang Tablets by HPLC Optimization of flash-type extraction technology of alisol B 23-acetate from Alismatis Rhizoma by response surface methodology Study on extraction technology of Zhixuan Granula Transformation of alisol B 23-acetate in processing of Alisma orientalis Comparison on six active constituents between formula granule and traditional decoction of Rehmanniae Decoction of six ingredients Study on extracting process of ethanol extract with hypouricemic effect from Rhizoma Alismatis Correlation between quality of Alisma orientale in Sichuan Province and rhizosphere soil physicochemical property Extraction and isolation of 23-acetate alisol B from Alisma orientalis by supercritical fluid extraction and high-speed counter-current chromatography Chemical constituents from Alisma orientalis extracts with hypoglycemic effect Correlation between quality of Alisma orientale in Sichuan Province and rhizosphere soil physicochemical property Simultaneous determination of 11 triterpenoids in Alismatis Rhizoma by RP-HPLC-DAD