PROBLEM TO BE SOLVED: To provide a method allowing the content of an oral cavity stimulating substance included in a sprouted grain to be reduced using a simple treatment procedure.SOLUTION: In the method for reducing the oral cavity stimulating substance of a sprouted grain such as malt, the oral cavity stimulating substance contained in a sprouted grain is hydrolyzed, removed by adsorption, degraded by an enzyme, or removed by separation, whereby the content thereof is reduced.COPYRIGHT: (C)2013,JPO&INPIT【課題】簡便な処理操作で発芽穀物中に含まれる口腔内刺激物質の含有量を低減し得る方法を提供すること。【解決手段】発芽穀物に含まれる口腔内刺激物質を、酸による加水分解、吸着除去、あるいは分離除去して、その含有量を低減する、麦芽等の発芽穀物の口腔内刺激物質の低減方法。【選択図】なし