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Conventional Determination of the Contents of Numbing Components (Acylamides) in Prickly Ash 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