PROBLEM TO BE SOLVED: To provide a maillard reaction inhibitor which has high activity and safety and is related to anti-aging, and to provide an oral agent, an external preparation, and a food product containing the inhibitor.SOLUTION: A maillard reaction inhibitor contains maclurin represented by formula I or glycoside thereof, as an active ingredient, which is a water extract derived from fruit skin of Garcinia mangostana. An oral agent, an external preparation, and a food product contain the inhibitor.COPYRIGHT: (C)2014,JPO&INPIT【課題】活性が強く、かつ安全性の高いアンチエイジングに関係するメイラード反応阻害剤の提供。及び、該阻外剤を含有する経口剤、外用剤及び食品の提供。【解決手段】マンゴスチン果皮の水抽出物由来である,下記I式で表わされるマクルリン又はその配糖体を有効成分として含有するメイラード反応阻害剤、およびかかる阻害剤を含有する経口剤、外用剤、食品。【選択図】なし
