PROBLEM TO BE SOLVED: To provide: a novel flavan compound having bioactivity stronger than that of epigallocatechin gallate known to the public a method of producing the flavan compound and food or drug that contains the flavan compound.SOLUTION: The novel flavan compound is represented by the following formula (1).COPYRIGHT: (C)2012,JPO&INPIT【課題】公知のエピガロカテキンガレートより強力な生理活性を有する新規フラバン系化合物及びその製造法と前記フラバン化合物を含有する食品又は医薬品の提供。【解決手段】下記式(1)で表される新規フラバン化合物。【選択図】なし