PROBLEM TO BE SOLVED: To provide a novel anti-oxidative stress agent that can be substituted for a conventionally known anti-oxidative stress agent, and an application of the novel agent.SOLUTION: An anti-oxidative stress agent includes a compound 1 and/or a compound 2 described in the specification as an active ingredient. The agent can be incorporated into a drug composition, a skin care composition (cosmetic or the like), and food and drinks.COPYRIGHT: (C)2013,JPO&INPIT【課題】従来公知の抗酸化ストレス剤に代替しうる新規な抗酸化ストレス剤、およびその用途を提供する。【解決手段】明細書に記載の化合物1および/または化合物2を有効成分として含有する抗酸化ストレス剤と、これを含有する薬剤組成物や皮膚外用剤組成物(化粧品など)、飲食品により、上記課題は解決されうる。【選択図】図3