PROBLEM TO BE SOLVED: To provide a method for improving water solubility of hesperidin.SOLUTION: In the method for improving water solubility of hesperidin, hesperidin is heated at 100-180°C in the presence of an aqueous medium.COPYRIGHT: (C)2012,JPO&INPIT【課題】ヘスペリジンの水溶性を向上させる方法を提供する。【解決手段】水性媒体の存在下、ヘスペリジンを100~180℃で加熱処理するヘスペリジンの水溶性向上方法。【選択図】なし