Objective To study the method for extraction and identification of total flavanone of longan shell.Methods The flavonoids were extracted by ethanol as the solvent from longan shell with ultrasonic wave.Spectrophotometry was used to determine the flavanone of longan shell.Results The content of the total flavanone of longan shell obtained by this method was C=1.204mg/ml and the rate of recovery was 98.29%.Conclusion This text provides the extraction and purification methods to get the outcome and the purity ...
【更新日期】
2007-06-01
【分类号】
R284
【正文快照】
龙眼(D im ocarpus longan Lou.r)为无患子科龙眼属常绿果树,乔木。龙眼的果实俗名桂圆,又名龙目、比目、荔枝奴、益智、亚荔枝、圆眼、川弹子、骊珠、燕卵、蜜脾、鲛泪、木弹、绣木团等[1],为我国著名的亚热带水果。龙眼原产于我国南部和越南北部的南亚热带区域,在我国已有200
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