PROBLEM TO BE SOLVED: To provide an antifungal agent capable of satisfying, among numerous excellent characteristics required of an antifungal agent for preventing the propagation of mold, specifically, all of these characteristics of a wide range of antibacterial spectrum, persistence of its effect, intolerance and safety.SOLUTION: The antifungal agent comprises as a main pharmaceutical preparation holotoxin and inhibits the propagation of mold by coating the surface of an article. The antifungal agent comprises as a main pharmaceutical preparation holotoxin and inhibits the propagation of mold by mixing into a material constituting an article.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】カビの繁殖を予防するための防カビ剤は数多くの優れた特性を要求、具体的には、「抗菌スペクトルの広さ」、「効果の持続性」、「非寛容性」、「安全性」といった特性であり、これら全てを満足する防カビ剤の提供。【解決手段】ホロトキシンを主製剤とし、物品の表面に塗布することでカビの繁殖を抑制する、また、ホロトキシンを主製剤とし、物品を構成する材料に混合することでカビの繁殖を抑制する防カビ剤。【選択図】なし