PROBLEM TO BE SOLVED: To provide an oral composition and a bad breath inhibitor in which the effects of inhibiting bad breath derived from lower fatty acids, such as isovaleric acid, are improved and which have excellent bad breath inhibiting effects.SOLUTION: The invention provides an oral composition containing extract (A) from Lindera umbellata Thunb. containing 3,5-dihydroxy-2-menthenyl stilbene or 3,5-dihydroxystilbene, or subspecies thereof, and an anti-inflammatory agent (B) and a bad breath inhibitor comprising the components (A) and (B).COPYRIGHT: (C)2016,JPO&INPIT【課題】特にイソ吉草酸等の低級脂肪酸に由来する口臭の抑制効果が向上し、口臭抑制効果が優れる口腔用組成物及び口臭抑制剤を提供する。【解決手段】3,5-ジヒドロキシ-2-メンテニルスチルベン又は3,5-ジヒドロキシスチルベンを含有するクロモジもしくはその亜種からの抽出物(A)と、抗炎症剤(B)とを含有してなることを特徴とする口腔用組成物、及び前記(A)成分と(B)成分とからなる口臭抑制剤。【選択図】なし