Pepsin facts for kids

Kids Encyclopedia Facts

Pepsin is an enzyme. It acts on proteins in the stomach, which has a low pH because of the Hydrochloric acid. It works best at a pH of about 1.5. It will not work at a pH above 6.

It was the first animal enzyme to be discovered. Theodor Schwann discovered it in 1836.

Pepsin is used to make cheese.

Pepsin Facts for Kids. Kiddle Encyclopedia.