PROBLEM TO BE SOLVED: To provide a serum uric acid-lowering agent capable of more effectively reducing a serum uric acid level.SOLUTION: According to the present invention, there is provided a serum uric acid-lowering agent, which is obtained through a step of subjecting a raw material composition containing at least rice endosperm protein, starch, and calcium to heat treatment and pressure treatment. There is also provided a method for manufacturing a serum uric acid-lowering, the method comprising a step of subjecting a raw material composition containing at least rice endosperm protein, starch, and calcium to heat treatment and pressure treatment.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】本発明の課題は、より効率的に血清尿酸値を低減できる、血清尿酸低下剤を提供することである。【解決手段】本発明は、米胚乳タンパク質、澱粉、カルシウムを少なくとも含む原料組成物を、加熱処理及び加圧処理に供する工程を経て得られる血清尿酸低下剤を提供する。また、本発明は、米胚乳タンパク質、澱粉、カルシウムを少なくとも含む原料組成物を、加熱処理及び加圧処理に供する工程を含む、血清尿酸低下剤の製造方法も提供する。【選択図】なし