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1.发明授权Process for preparing high purity corosolic acid and high purity ursolic acid 有权制备高纯度科罗索酸和高纯度熊果酸的方法公开(公告)号：US08101795B2
公开(公告)日：2012-01-24
申请号：US12005343
申请日：2007-12-27
申请人： Naoaki Yoshida , Chihiro Mori , Tsutomu Sasaki
发明人： Naoaki Yoshida , Chihiro Mori , Tsutomu Sasaki
CPC分类号： A61K36/73 , A23L33/11 , A23V2002/00 , C07C2603/52 , C07J63/008 , A23V2200/30 , A23V2250/21
摘要： According to the present invention, there is provided a process for preparing corosolic acid comprising the steps of (1) dissolving crude extract of Japanese loquat leaves in alkali and aqueous alcohol and (2) applying the solution to a nonpolar adsorption resin to obtain corosolic acid.
摘要翻译： 根据本发明，提供了一种制备科罗索酸的方法，包括以下步骤：（1）将日本lo杷叶的粗提取物溶于碱和含水醇中，和（2）将该溶液施用于非极性吸附树脂以获得科罗索酸 。
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2.发明申请Process for preparing high purity corosolic acid and high purity ursolic acid 有权制备高纯度科罗索酸和高纯度熊果酸的方法公开(公告)号：US20090275778A1
公开(公告)日：2009-11-05
申请号：US12005343
申请日：2007-12-27
申请人： Naoaki Yoshida , Chihiro Mori , Tsutomu Sasaki
发明人： Naoaki Yoshida , Chihiro Mori , Tsutomu Sasaki
IPC分类号： C07C51/00
CPC分类号： A61K36/73 , A23L33/11 , A23V2002/00 , C07C2603/52 , C07J63/008 , A23V2200/30 , A23V2250/21
摘要： According to the present invention, there is provided a process for preparing corosolic acid comprising the steps of (1) dissolving crude extract of Japanese loquat leaves in alkali and aqueous alcohol and (2) applying the solution to a nonpolar adsorption resin to obtain corosolic acid.
摘要翻译： 根据本发明，提供了一种制备科罗索酸的方法，包括以下步骤：（1）将日本lo杷叶的粗提取物溶于碱和含水醇中，和（2）将该溶液施用于非极性吸附树脂以获得科罗索酸 。
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