PROBLEM TO BE SOLVED: To obtain an excellent sustained effect which has not been obtained with the conventional fungicide for the oral cavity, and further, to obtain performance having a corrosion prevention effect for metals as well.SOLUTION: Citric acid is blended with cetylpyridinium chloride and an antioxidant, and the blended material is used as an aqueous solution with a pH of 2 to 7.COPYRIGHT: (C)2012,JPO&INPIT【課題】従来の口腔用殺菌剤では得られなかった優れた持続効果を得ると共に金属に対する腐食防止効果をも兼ね備えた性能を得る。【解決手段】クエン酸に塩化セチルピリジニウム及び酸化防止剤を配合し、それをpHが2~7の水溶液として使用する
