Pepsin and Trypsin
Difference between pepsin and trypsin
| Pepsin | Trypsin |
| Component. It is component of gastric juice. | It is component of pancreatic juice. |
| Inactive State. It is produced in the inactive state of pepsinogen. | Trypsin is produced in the inactive state called trypsinogen |
| Activation. The enzyme is activated by HCI of gastric juice. | The enzyme is activated by enterokinase of intestinal juice. |
| Region of Activity. It is active in stomach. | It is active in duodenum and jejunum. |
| Medium. It functions in acidic medium. | It functions in alkaline medium. |
- In human digestive system, the enzymes pepsin and trypsin are secreted respectively by stomach and pancreas.
- Trypsin differs from pepsin because it digests Protein, in alkaline medium in duodenum.
- The first part of the small intestine in humans is Duodenum.
- The enzyme that breaks down lactose is lipase.