Conventional Determination of the Contents of Numbing Components (Acylamides) in Prickly Ash Ultrasound-assisted Extract of Water-soluble Polysaccharides from Phyllanthus emblica Simultaneous determination of 5 compounds in Tripterygium hypoglaucum based on ultrasound-assisted ionic liquid coupled with HPLC Optimization of Ultrasonic-assisted Extraction of Total Flavonoids from Crataegus pinnatifida Leaves and Its Antioxidant Activities Ultrasonic-assisted Extraction of Total Flavonoids from Peony Tree Seed Coat and Its Anticoagulation Activity