- an enzyme, produced in the stomach, that in the presence of hydrochloric acid splits proteins into proteoses and peptones.
- a commercial form of this substance, obtained from the stomachs of hogs, used as a digestive, as a ferment in the manufacture of cheese, etc.
Origin of pepsin
Examples from the Web for pepsin
Historical Examples of pepsin
The pepsin is added to the mixture only when warm, and is injected at once.The Mother and Her Child
William S. Sadler
Also the Old Boarder who was always under the influence of Pepsin.
Now, I am going to add a pinch of pepsin to the contents in these tubes.The Woodcraft Girls at Camp
Lillian Elizabeth Roy
Synergia is claimed to be composed of pepsin, pancreatin, veg.
This is a substance distinct from pepsin, but its action is the same.Encyclopedia of Diet
- a proteolytic enzyme produced in the stomach in the inactive form pepsinogen, which, when activated by acid, splits proteins into peptones
Word Origin for pepsin
- Any of various digestive enzymes found in gastric juice that catalyze the hydrolysis of proteins to peptides.
- A substance containing pepsin, obtained from the stomachs of hogs and calves and used as a digestive aid.
- Any of various digestive enzymes found in vertebrate animals that catalyze the hydrolysis of proteins to peptides.