date:Jun 02, 2016
First method involving the washing of defatted flakes with 60 to 80% aqueous alcohol. Sugars and other components are being dissolved and removed through washing while protein and polysaccharide are insoluble in alcohol. Concentrate is then dried to get soy protein concentrate. Second method involves acid leaching at pH 4.5, which is isoelectric point for proteins, therefore sugars are being washed away. After neutralisation of wet protein concentrate, it is dried. Third method is applying mois