首页> 外国专利> Isolation Method of Arbutin in High Purity from Extract of Pear Peel and Arbutin Isolated Thereby

Isolation Method of Arbutin in High Purity from Extract of Pear Peel and Arbutin Isolated Thereby

机译:从梨皮提取物中分离高纯度熊果苷的方法及其分离的熊果苷

摘要

PURPOSE: A method for purifying arbutin of high purity and high yield using Pyrus pyrifolia Nakai cv. pericarp is provided. CONSTITUTION: A method for purifying arbutin of high purity using Pyrus pyrifolia Nakai cv. pericarp comprises: a step of uniformly mixing Pyrus pyrifolia Nakai cv. pricarp and alcohol and placing in the dark for 2- hours; a step of filtering and concentrating; a step of suspending the concentrate with distilled water and removing oil ingredients; and a step of concentrating a water layer of solvent fraction and purifying the water layer.
机译:用途:一种利用梨梨中提取物纯化高纯度和高产率的熊果素的方法。提供果皮。组成:一种使用Pyrus pyrifolia Nakai cv纯化高纯度熊果苷的方法。果皮包括:均匀混合Pyrus pyrifolia Nakai cv的步骤。果皮和酒精,在黑暗中放置2小时;过滤和浓缩的步骤;将浓缩物悬浮于蒸馏水中并除去油成分的步骤;浓缩溶剂馏分的水层并纯化水层的步骤。

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