PROBLEM TO BE SOLVED: To provide a method for manufacturing softened food by ultrasound.SOLUTION: The present invention provides a method for manufacturing softened food for the elderly and those who have difficulty in chewing and swallowing, wherein the method includes irradiating a food ingredient with ultrasound to increase the effect by which a liquid containing a component for softening the food ingredient is introduced into the food ingredient, and change the hardness of the food ingredient.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】超音波を用いて軟化食品を製造する方法の提供。【解決手段】咀嚼・嚥下困難者用及び高齢者向け軟化食品の製造方法であり、食品原料に超音波を照射することにより、食品原料を軟化させる成分を含む液体の食品原料への導入効果を高めて、食品原料のかたさを変化させることを含む、軟化食品の製造方法。【選択図】なし