PROBLEM TO BE SOLVED: To provide an anti-saccharification agent having high safety as food and drink and a drug.SOLUTION: The anti-saccharification agent includes a soybean extract. The anti-saccharification agent is used for the prevention and the therapy of diseases and conditions such as diabetic complications (including, for example, angiopathy, nephropathy, and retinopathy), neuropathy, Alzheimers disease, arteriosclerosis, malignant tumors, bone disorders, neurodegenerative diseases, and the aging of the skin.COPYRIGHT: (C)2013,JPO&INPIT【課題】飲食品または医薬品として安全性が高い抗糖化剤を提供すること。【解決手段】本発明は、大豆抽出物を含む抗糖化剤を提供する。本発明の抗糖化剤は、例えば、糖尿病合併症(血管症、腎症、網膜症など)、神経障害、アルツハイマー病、動脈硬化症、悪性腫瘍、骨疾患、神経変性疾患、皮膚の老化などの疾患や症状の予防および治療に用いられ得る。【選択図】なし