The processing solution containing the deodorant of the present invention contains an acidic salt of aminoguanidine, an inorganic carrier capable of supporting the aminoguanidine acidic salt, an adhesive resin, a dispersant, and water, and the content ratio of the aminoguanidine acidic salt is the content of the inorganic carrier. It is 15 parts by mass or more with respect to 100 parts by mass, and the dispersant is at least one selected from anionic surfactants and nonionic surfactants.
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