PROBLEM TO BE SOLVED: To provide a composition for oral cavity, which contains a hesperidin compound and is excellent in dispersion stability and diffusivity in the oral cavity of the hesperidin compound.SOLUTION: There is provided the composition for the oral cavity, which is prepared by adding the hesperidin compound to a composition comprising one or more kinds selected from xanthan gum and sodium alginate and a cellulosic thickener, and enhances the dispersion stability, usability and diffusivity of the hesperidin in the composition for the oral cavity in the oral cavity, and enables that the hesperidin reaches every corner in the oral cavity, such as embrasure and boundary lines between teeth and gums.COPYRIGHT: (C)2012,JPO&INPIT【課題】ヘスペリジン類を配合し、かつヘスペリジンの分散安定性及び口腔内における拡散性に優れた口腔用組成物の提供。【解決手段】キサンタンガムおよびアルギン酸ナトリウムから選ばれる一種以上とセルロース系増粘剤を配合した組成物にヘスペリジン類を配合することにより、口腔用組成物におけるヘスペリジンの分散安定性を高め、かつ使用し易く、口腔内での拡散性が良好になり、ヘスペリジンを鼓形空隙や歯の歯茎の境目などの口腔内の隅々に到達させることが可能となる口腔用組成物。【選択図】なし