Soy peptide is one type of small molecule mixed peptide composed of 2-6 amino acids with molecular weight concentrated below 1000 μ. It has good water solubility, water retention, foaming property, high digestibility, and absorption rate, and good processing properties such as no obvious beany smell, no protein denaturation, no acid precipitation, no heating coagulation, easy to dissolve inwater, good fluidity, and
is an excellent raw material for health food.