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Basic Knowledge About Protease Enzyme



Protease enzyme is a general term for a class of enzymes of hydrolyze protein peptide chains. Protease enzymes can hydrolyze protein. It can effectively hydrolyze the protein in the feed and improve the utilization rate of the protein. At the same time, it has a good degradation effect on anti-nutritional factors such as antigen proteins.


1. Types of proteolytic enzyme


There are many types of proteolytic enzymes, and the important ones are gastric protease, pancreatic proteases, cathepsin, papain and subtilisin. Protease has strict selectivity to the reaction substrate it acts on. A protease enzyme can only act on certain peptide bonds in protein molecules, such as those formed by the hydrolysis of basic amino acids by pancreatic proteases. Protease enzyme is widely distributed, mainly in the digestive tract of humans and animals, and abundant in plants and microorganisms. Due to limited animal and plant resources, protease enzyme preparations in the industry is mainly produced by fermentation of bacillus subtilis, aspergillus terreus and other microorganisms.


2. The application scope of protease enzyme


Protease enzyme has been widely used in leather, fur, silk, medicine, food, brewing, etc. The dehairing and softening of the leather industry extensively use proteases enzyme, which not only saves time but also improves labour sanitation.


Protease enzyme, made by the enzyme manufacturer, can also be used for silk degumming, meat tenderization, and wine clarification.


Enzyme-added laundry detergent is a new product in detergents. It contains alkaline protease enzymes, which can remove blood stains and protein stains on clothing, but be careful not to touch the skin when using it, so as not to damage the protein on the skin surface and cause rashes, eczema and other allergies.


Clinically, it can be used for medicinal purposes, such as gastric protease in the treatment of indigestion, acid protease in the treatment of bronchitis, alkaline protease in the treatment of vasculitis, and pancreatic proteases and chymotrypsin to purify surgical suppurative wounds and treat adhesive serositis of the thoracic cavity.


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