PROBLEM TO BE SOLVED: To provide an anti-inflammatory agent stronger than resveratrol and ferulic acid, and furthermore, foods, cosmetics, medicines and quasi drugs containing the anti-inflammatory agent.SOLUTION: There is provided at least one kind of compounds selected from the group consisting of newly synthesized specific resveratrol derivatives which are polyphenols and pharmaceutically permissible salts thereof.COPYRIGHT: (C)2013,JPO&INPIT【課題】レスベラトロール、フェルラ酸より強力な抗炎症剤、さらには該抗炎症剤を含有する食品、化粧品、医薬品、医薬部外品の提供。【解決手段】ポリフェノールである新規に合成した特定のレスベラトロール誘導体並びにこれらの薬学的に許容可能な塩からなる群より選ばれる少なくとも1種の化合物。【選択図】なし