what trypsin
Trypsin is part of the digestive system and degrades proteins, making it an enzyme known as a protease. It is initially formed as a larger, inactive molecule in the pancreas and is transported to the small intestine, where it is activated to digest food molecules.rypsin degrades proteins in the digestive system. Cystic fibrosis is a painful, genetic disease that can lead to infections in the lungs. Trypsin is in a class known as serine proteases. The pancreas gland produces pancreatic elastase, a protein that aids in digestion.