PROBLEM TO BE SOLVED: To provide an oral composition that improves stability of vitamin E or a derivative thereof and exhibits highly preventive effects on dental caries or periodontal diseases.SOLUTION: The oral composition comprises Vitamin E or a derivative thereof and a compound represented by formula (A) (wherein R is an optionally substituted 6-16C linear or branched alkyl group G is a galactose residue E is a hydrogen atom or a methyl group m is an integer of 0-200 and n is an integer of 1-30).COPYRIGHT: (C)2008,JPO&INPIT【課題】ビタミンE又はその誘導体の安定性を改善し、かつむし歯や歯周病の予防効果の高い口腔用組成物を提供する。【解決手段】ビタミンE又はその誘導体、及び式(A)(式中、Rは置換されてもよい炭素数6~16の直鎖又は分岐鎖のアルキル基を示し、Gはガラクトース残基を示し、Eは水素原子又はメチル基を示し、mは0~200の整数を示し、nは1~30の整数を示す。)で表される化合物を含有する口腔用組成物。【選択図】なし
