Hydrolyzed Soy Protein Liquid: The Transformation from Soybeans to a "Universal" Essence

Hydrolyzed soy protein liquid (HVP) is a functional product made from soy protein through a hydrolysis process. Its production process is rather complex. 

First, high-quality soybeans are selected and undergo a series of pretreatment steps, such as screening and washing, to remove impurities. Then, defatting is carried out, often using physical pressing or organic solvent extraction to obtain soybean meal with a higher protein content. Next, the crucial hydrolysis step comes into play, with three main methods: acid hydrolysis, alkaline hydrolysis, and enzymatic hydrolysis. Although acid and alkaline hydrolysis are relatively simple to operate, they have harsh reaction conditions, are prone to environmental pollution, and can destroy some amino acids, affecting product quality. Enzymatic hydrolysis, with its mild reaction conditions, easy control of hydrolysis degree, and minimal amino acid damage, has become the mainstream method. In enzymatic hydrolysis, appropriate proteases, such as alkaline protease and neutral protease, are selected and act precisely on the peptide bonds of soy protein under suitable temperature and pH conditions, gradually hydrolyzing it into small molecule peptides and amino acids. After hydrolysis, subsequent treatments such as enzyme inactivation, filtration, and concentration are required to obtain a clear and uniform hydrolyzed soy protein liquid.

Hydrolyzed soy protein liquid has many significant characteristics. It is highly soluble in water and can be quickly and evenly dispersed. In the production of food and cosmetic products, it is easy to mix with other components and facilitates processing operations. At the same time, it has high nutritional value, rich in various essential amino acids for the human body, and because the protein is hydrolyzed into small molecules, it is more easily absorbed and utilized by the human body. Additionally, it has excellent moisturizing properties, capable of adsorbing and retaining moisture, a feature particularly important in the cosmetics industry.


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