PROBLEM TO BE SOLVED: To provide a proteasome activator.SOLUTION: There are provided: a proteasome activator containing an extract of apple as an active ingredient and an inhibitor for a protein carbonyl oxidation containing the extract of apple as the active ingredient.COPYRIGHT: (C)2012,JPO&INPIT【課題】プロテアソーム活性化剤を提供する。【解決手段】リンゴ抽出物を有効成分とするプロテアソーム活性化剤、リンゴ抽出物を有効成分とする酸化カルボニルタンパク抑制剤。【選択図】図1