PROBLEM TO BE SOLVED: To provide a chlorine dioxide generating agent that makes both of chlorine dioxide and a flavor effectively act, with the flavor not decomposed by chlorine dioxide.SOLUTION: A chlorine dioxide generating agent A comprises chlorite, an oxidizing agent which reacts with chlorite in the presence of water to generate chlorine dioxide, and a flavor which does not react with the generated chlorine dioxide.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】香料が二酸化塩素によって分解されることなく、二酸化塩素および香料の両方が有効に作用する二酸化塩素発生剤を提供する。【解決手段】二酸化塩素発生剤Aは、亜塩素酸塩と、水の存在下で亜塩素酸塩と反応して二酸化塩素を発生させる酸化剤と、発生させた二酸化塩素と反応しない香料とを含んでいる。【選択図】図1