Trypsin is a mammalian serine protease
trypsin plays a key role in facilitating protein digestion and absorbance of foods in the small intestine.
It also regulates the gastrointestinal immune response
Due to these capabilities, trypsin is widely used in protein or peptide-related research
Its levels are increased or decreased in certain medical conditions
So its very important to assay the trypsin activity...
Now there are Various assays have been described in the literature