PROBLEM TO BE SOLVED: To provide a method for removing sodium from a food product through exchange reaction between alternative cations coupled to laminar mineral fine grains and sodium ions in the food product.SOLUTION: Provided is a method for removing sodium from a food product containing: a step S110 where additive component cations are coupled to the insides of laminar mineral fine grains; a step S120 where the laminar mineral fine grains coupled with the additive component cations are immersed into a liquid food product, and sodium ions in the liquid food product and the additive component cations are exchanged; and a step S130 where the laminar mineral fine grains are separated from the liquid food product.SELECTED DRAWING: Figure 1【課題】層状鉱物微粒子に結合された代替陽イオンと食品内のナトリウムイオン間の交換反応を通じて食品からナトリウムを除去する方法の提供。【解決手段】層状鉱物微粒子内に添加成分陽イオンを結合させる段階S110と、前記添加成分陽イオンが結合された層状鉱物微粒子を液状食品内に浸漬させて前記液状食品内のナトリウムイオンと前記添加成分陽イオンを交換させる段階S120と、前記液状食品から前記層状鉱物微粒子を分離する段階S130と、を含む、食品のナトリウム除去方法。【選択図】図1