PROBLEM TO BE SOLVED: To provide a soybean protein isolated article capable of replacing conventional soybean protein isolated article in various food applications in a pH value close to neutral.SOLUTION: There are provided a soybean protein product subjected pH adjustment, which has natural pH about 6 and non-bean odor flavor, especially a soybean protein product of which an isolated article is completely soluble in an aqueous medium at pH of about less than 4.4 and thermally stable in this pH range, or it is provided by processing treating a condensed soybean protein solution produced in preparation of such soybean protein product.SELECTED DRAWING: None【課題】中性付近のH値で、様々な食品用途において従来の大豆タンパク質単離物に置き代わることができる大豆タンパク質単離物を提供すること。【解決手段】約6の天然pHを有し、かつ非豆臭風味を有する、pH調整された大豆タンパク質生成物、特に単離物が、約4.4未満のpHで水性媒質に完全に可溶性でありこのpH範囲で熱安定性である大豆タンパク質生成物、またはこのような大豆タンパク質生成物の調製において生産される濃縮された大豆タンパク質溶液を加工処理することによって提供される。【選択図】なし