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公开(公告)号:US07312199B2
公开(公告)日:2007-12-25
申请号:US11272122
申请日:2005-11-09
申请人: David Carl Burdick , Heinz Egger , Andrew George Gum , Ingo Koschinski , Elena Muelchi , Isabelle Prevot-Halter
发明人: David Carl Burdick , Heinz Egger , Andrew George Gum , Ingo Koschinski , Elena Muelchi , Isabelle Prevot-Halter
CPC分类号: C07D311/62 , A23F3/205 , C07H17/00
摘要: A process is provided for making (−)-epigallocatechin gallate (EGCG) by subjecting a green tea extract to chromatography on a macroporous polar resin, eluting EGCG from the resin with a polar elution solvent, optionally concentrating the eluate, optionally regenerating the resin by desorbing the remaining catechins, and optionally concentrating the desorbed catechins.
摘要翻译: 提供一种制备( - ) - 表没食子儿茶素没食子酸酯(EGCG)的方法,该方法是使绿茶提取物在大孔极性树脂上进行色谱分离,用极性洗脱溶剂从树脂中洗脱EGCG,任选地浓缩洗脱液,任选地通过 解吸剩余的儿茶素,并且可选地浓缩解吸的儿茶素类。