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Optimization of the Extraction Process for Gingerol from Rhizome Zingiberis


  [Objective] To optimize the extraction process of gingerol from dry rhizome of Zingiber officinale Rose..[Method] Ethanol reflux method was adopted,with the extraction rate of gingerol as index,ethanol volume,reflux time and extraction times were selected for the orthogonal experiment.[Result] The optimum extraction process of gingerol from dried Ginger was as follows:5.5 ml 60% ethanol,extraction time of 3,1 h of each time.[Conclusion] The determined process is reasonable,reproductive and efficient which has instructive significance for the industrial extraction of Rhizoma zingiberis.……