PROBLEM TO BE SOLVED: To provide a post-bitter taste giving medicine for imparting the bitter taste felt in a moderate continuation after eating and drinking.SOLUTION: The post-bitter taste giving medicine includes a compound shown by formula (1) as an active ingredient. In the formula, when X is an (E)-cinnamoyl group, Y denotes a hydroxyl group or an acetyl group, and when X is a (Z)-cinnamoyl group, Y denotes an acetyl group.COPYRIGHT: (C)2013,JPO&INPIT【課題】飲食後に適度に持続して感じる苦味を付与するための後苦味付与剤の提供。【解決手段】下記式(1):で表される化合物を有効成分とする後苦味付与剤。【選択図】なし