PROBLEM TO BE SOLVED: To provide a new substance that can enhance oxidized protein hydrolase activity or a new substance that can inhibit glycation stress.SOLUTION: The present invention provides an oxidized protein hydrolase activity enhancing agent containing an extract of fenugreek as an active ingredient, and a glycation stress inhibitor containing extracts of fenugreek and fennel as active ingredients.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】酸化タンパク質分解酵素活性を増強可能な新たな物質、又は糖化ストレスを抑制可能な新たな物質の提供。【解決手段】フェヌグリークの抽出物を有効成分として含む、酸化タンパク質分解酵素活性増強剤。フェヌグリーク及びフェネルの抽出物を有効成分として含む糖化ストレス抑制剤。【選択図】なし