| 摘要 |
The purpose of the present invention is to provide a plant protein isolate that exhibits superior water dispersion properties, can be dissolved easily and rapidly, and is not susceptible to clumping, even when gently stirred as when a consumer dissolves a powdered beverage preparation in water at home. This production method for a plant protein isolate having a NSI of 20 or higher but less than 90 is characterized by the following steps (a)-(c): (a) a step in which a protein-containing solution is prepared from a plant-based starting material, the protein-containing solution is subjected to the action of a phytase to partially hydrolyze the phytic acid therein, and an enzymatic reaction solution is obtained; (b) a step in which the enzymatic reaction solution from the preceding step is subjected to a high-temperature heat treatment a pH level of 5.5 or higher but less than 7.0, and a high-temperature-heat-treated solution is obtained; and (c) a step in which the high-temperature-heat-treated solution is converted into a dried powder. |
