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Research on the extraction technology of total flavonoids from Broussonetia papyrifera by microwave-assisted method.

作  者:
Kaimei Zhu;GU Sheng-jiu;Ling Yao;Jiannan Liu;Ou Yi;Tang Shi-din
单  位:
Guilin Sanjin Pharmaceutical C;Guilin Sanjin Pharmaceutical Co
关键词:
total flavonoids;microwave;leaves;extraction;papyrifera;ethanol concentratio
摘  要:
[Objective] To optimize the extraction process of total flavonoids from Broussonetia papyrifera leaves by Microwave-assisted Extraction.[Method] Single factor test was adopted to study the effects of microwave time,microwave temperature,ethanol concentration,microwave power,solid-liquid ratio on the extraction rate of total flavonoids from B.papyrifera leaves.[Result] The optimal extraction process was selected,which was 1:12 (g/ml) solid-liquid ratio,55% ethanol concentration,15 min microwave time,450 W microwave power,60 ℃ microwave temperature,and ethanol as the solvent.Under these conditions,the extraction rate of total flavonoids from B.papyrifera leaves was 79.63 mg/g.[Conclusion] This method was simple,repeatable and stable,and could be used for the extraction of total flavonoids from B.papyrifera leaves.

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