Trypsin

A proteolytic ferment, or enzyme, present in the pancreatic juice. Unlike the pepsin of the gastric juice, it acts in a neutral or alkaline fluid, and not only converts the albuminous matter of the food into soluble peptones, but also, in part, into leucin and tyrosin.

an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units