Pepsin - Wikipedia
Pepsin is an aspartic protease, using a catalytic aspartate in its active site. [2] It is one of three principal endopeptidases (enzymes cutting proteins in the middle) in the human digestive system, the other …
Pepsin: Signs You Need This Vital Enzyme and How to Get It - Dr. Axe
Nov 5, 2018 · The definition of pepsin is a digestive enzyme in the stomach that breaks down proteins into smaller units called polypeptides (or peptides for short). This enzyme helps digest proteins — …
Pepsin | Description, Production, & Function | Britannica
Pepsin is a powerful enzyme in gastric juice that digests proteins such as those in meat, seeds, and dairy products. It is the mature active form of pepsinogen, which is released into the stomach and …
Physiology, Pepsin - StatPearls - NCBI Bookshelf
May 1, 2023 · Pepsin is an endopeptidase that breaks down dietary proteins reaching the stomach into amino acids. It functions by digesting peptide bonds, the predominant chemical bonds found in proteins.
Rethinking Reflux: The Real Culprit Isn’t Acid—It’s Pepsin
Feb 24, 2025 · At-A-Glance The digestive enzyme pepsin, not acid, is the primary culprit behind reflux-related damage. Unlike acid, pepsin sticks to tissues in the throat and airways, reactivating with …
What Is the Function of Pepsin and Why Is It Important?
Aug 6, 2025 · How Pepsin Works Pepsin’s function is to break down large protein molecules into smaller units called polypeptides. This initial breakdown is a step in protein digestion. Pepsin accomplishes …
Pepsin - an overview | ScienceDirect Topics
Pepsin is defined as a powerful enzyme present in gastric juice that aids in the digestion of complex food particles, produced from its proenzyme pepsinogen through reaction with hydrochloric acid (HCl) in …
Pepsin: Definition, Parts of the Stomach, Function & Uses
Pepsin is a digestive enzyme that plays a crucial role in breaking down proteins in the stomach. It is produced by the stomach lining as an inactive precursor called pepsinogen, which is then activated …
Physiology of Pepsin: Unleashing the Power of Protein Digestion
Aug 9, 2023 · Pepsin is a critical enzyme involved in the digestion of proteins in the stomach. This article explores the physiology of pepsin, including its synthesis, activation, and the role it plays in protein …
Pepsin - Health Encyclopedia
Pepsin is a digestive enzyme that plays a crucial role in the breakdown of proteins in the stomach. It is one of the principal proteolytic enzymes in the digestive system of humans and many other animals.