[Objective]The research aimed to optimize the extracting process for flavonoids in Herba selaginellae.[Method]The ultrasonic-assisted extracting technology was used,and the optimum extracting process was obtained by orthogonal design based on the results of singlefactor test.[Result]Under the ultrasonic-assisted extracting technology,the optimum conditions for extraction of total flavones were as follows:the raw material was extracted with 20-fold volume(ml/g) of 75% aqueous ethanol solution for 1 h at 60 ℃...
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