US 4,302,473 A · Process for manufacturing soybean proteins

Abstract

Soybean proteins are manufactured from soybean protein concentrates. The soybean protein concentrates may be prepared by washing defatted soybean with an alcoholic aqueous solution. The soybean protein concentrates are dispersed in water and then adjusted to a neutral to slightly alkaline pH range or dispersed in an aqueous solution which was previously adjusted with ammonia to be in an alkaline pH range, thus providing a neutral to slightly alkaline aqueous dispersion. The afore-mentioned soybean proteins in this aqueous dispersion are solubilized by the action of a neutral protease. The insolubles in the aqueous dispersion thus prepared are then removed to produce an aqueous solution containing solubilized proteins from which solid proteins are recovered.

Claims12

Dependent claims

A process for manufacturing soybean proteins comprising the steps of:

providing an aqueous dispersion of alcohol-denatured soybean protein concentrates obtained by washing defatted soybean with an alcoholic aqueous solution and adjusting the pH with ammonia to within a neutral to slightly alkaline range;
solubilizing the soybean proteins by the reaction of a neutral protease on said soybean proteins in said dispersion, said solubilizing proceeding to a level short of the onset of a bitter taste in said dispersion;
removing insolubles from said dispersion to produce an aqueous solution containing said solubilized proteins;
and
recovering said solubilized proteins by spray drying said aqueous solution.

2 more elements

Dependencies are inferred from the claim text.

Process for manufacturing soybean proteins

Life of this patent

Process for manufacturing soybean proteins

Life of this patent

Abstract

Claims12