Investigation into the Digestion of Milk by Trypsin

Basic knowledge of trypsin digestion of milk =========================================== ========================================== Protease is under controlled conditions. Certain variables will change by calculation to measure their individual effects on the rate and amount of reactions occurring. Trypsin is a biocatalyst (a substance that promotes the reaction but does not slow down the reaction or change the reaction) and is called an enzyme contained in the human body.

In-gel tryptic digestion experiments play an important role in the determination of two different types of integrins. Trypsin is a special digestive enzyme that breaks proteins into amino acids (Aman and Wang, 1987). Trypsin is a very large molecule that is too big to pass through the membrane (Aman and Wang, 1987). As a result, when treating the membrane with trypsin, the protein located outside of the lipid bilayer was trypsinized. However, proteins located inside the bilayer are not degraded. After treating the membrane with trypsin, the digested membrane was separated from the membrane with detergent and separated by electrophoresis (Medvedeva 2003). Electrophoresis is the main technique for separating molecules. Usually proteins are separated on polyacrylamide gels and the whole process is called SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis) (Medvedeva 2003).

Protein digestion takes place in the stomach and the duodenum, the pepsin secreted from the stomach and the three major enzymes trypsin and chymotrypsin secreted from the pancreas break down the food protein into peptides, which are then exposed to various exopeptidases I will. And dipeptidase is broken down into amino acids. However, digestive enzymes are mainly secreted as zymogens which are their inactive precursors. For example, trypsin secretes trypsin in the form of trypsinogen, which is activated by duodenal enterokinase to form trypsin. Trypsin then cleaves the protein into smaller peptides.