PROBLEM TO BE SOLVED: To provide a novel method for producing an acid-coagulable milk food product excellent in physical properties or the like.SOLUTION: There is provided a production method of a milk protein concentrate for an acid-coagulable milk food product. The production method includes following steps: (a) a step of providing raw material milk (b) a step of adjusting pH of the raw material milk at 5.5-6.2 by using at least one kind selected from a group comprising citric acid and citrates and (c) a step of obtaining a milk protein concentrate by subjecting the raw material milk to an ultrafiltration treatment.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】 物性等にすぐれた酸凝固性の乳食品を製造するための新規な方法を提供する。【解決手段】 酸凝固性の乳食品用の乳タンパク質濃縮物の製造方法であって、次の工程:(a)原料乳を提供する工程;(b)前記原料乳のpHを、クエン酸及びクエン酸塩からなる群から選択される少なくとも1種を用いて、5.5~6.2に調整する工程;及び(c)前記原料乳を限外濾過処理して、乳タンパク質濃縮物を得る工程を含む前記製造方法。【選択図】 なし