Study on Ultrasonic Wave Assisted Extraction of Flavonoids from Stropharia
The research aimed to study the extraction of total flavonoids from Stropharia with ultrasonic wave treatment.Based on the effect of different factors such as ethanol concentration,ultrasonic wave treatment,ultrasonic time and ratio of material to liquid,On the basis of single-factor experiments,the optimum extraction technology was determined through orthogonal experiments.30 ％ ethanol as extracting agent,ratio of material to liquid of 1 ∶ 15 g/mL,processing 120 W with ultrasonic wave and extraction for 1 h.The optimized method is effici-ent,and the extraction yield of total flavonoids reached up to 1.138 ％.
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