Ultrasonic-assisted Extraction of Tectoridin from Rhizoma Belamcandae
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Abstract:
Objective: to study the ultrasonic-assisted extraction of the active compound Tectoridin from Rhizoma Belamcandae. Methods: the effects of extraction time and ultrasonic power were investigated by the orthogonal experiment and the Tectoridin content was determined by UV-spectrophotometer. Conclusion: The optimal ultrasonic power, ultrasonic frequency, ratio of liquid (70% ethanol) and solid (Rhizoma Belamcandae) and reflux extraction time were 180 W, 45 kHz, 9:1 and 60 min, respectively.
