PROBLEM TO BE SOLVED: To provide an oral product which is capable of visually grasping the saliva buffering ability, is suppressed in discoloration during storage and has good stability over time, and which is suitable for inspection of the saliva buffering ability. An oral product in which a moisture-proof container is filled with (A) anthocyanin-based pigment powder and (B) a powder composition containing an inorganic base solid at 5 to 40°C. The oral product, wherein the powder composition further contains (C) a wetting agent that is solid at 5 to 40°C, and (D) a bactericidal antibacterial agent that is solid at 5 to 40°C. [Selection diagram] None【課題】唾液の緩衝能を視覚的に把握でき、また、保存時には退色が抑制されて経時安定性も良く、唾液緩衝能の検査用として好適な口腔用製品を提供する。【解決手段】（Ａ）アントシアニン系色素粉末、及び（Ｂ）５～４０℃で固体の無機塩基を含有する粉体組成物が、防湿容器に充填された口腔用製品。上記粉体組成物が、更に（Ｃ）５～４０℃で固体の湿潤剤、（Ｄ）５～４０℃で固体の殺菌抗菌剤のいずれか一方又は両方を含有する上記口腔用製品。【選択図】なし
