Medicinal Plant

2010, v.1(10) 68-70

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Study on Solvothermal Extraction Process of Flavonoids from Zingiber officinale Rosc.
Study on Solvothermal Extraction Process of Flavonoids from Zingiber officinale Rosc.

摘要(Abstract):

[Objective] To establish a new extraction method of flavonoids from Zingiber officinale Rosc., so as to provide basis for defending the oxidation of flavonoids from Zingiber officinale Rosc. and new means for its industrial application. [Method] By employing the single factor test and L9 (33) orthogonal experiment, the optimum extraction process of flavonoids from Zingiber officinale Rosc. was confirmed. [Result] The optimal solvothermal extraction conditions were determined to be as follows: ethanol concentration of 70%, 0.5 mm of particle diameter, extraction duration of 2.0 h. Under the optimum extraction process, the yield of flavonoids from Zingiber officinale Rosc. was up to 92%. [Conclusion] Simple in test device, economical in solvent dosage and low in energy consumption, the solvothermal method for the extraction of flavonoids from Zingiber officinale Rosc. established in this study is of strong maneuverability.

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