Pepsin, 1:10,000

Catalogue Number: 441-10
Description
Product Name Pepsin, 1:10,000 powder
Source Porcine Gastric Mucosa
Catalogue Number 441-10
Purity Partially Purified
Form Powder
Activity 10,000 - 11,500 FCC U/mg
Aerobic Plate Count < 10,000 CFU/g
Loss on Drying < 4%
pH 3.0 - 4.5 (2% solution)
Salmonella sp. Negative
E. coli Negative
Related Products 440-50 - Pepsinogen I from human gastric mucosa
440-52 - Pepsinogen II from human gastric mucosa
435-10 - Mucin from porcine gastric mucosa
Storage 2-8°C
Recertification 3 years
Appearance Off-white to slightly yellow powder
CAS Number 9001-75-6
E.C. Number 3.4.23.1
Country of Origin United States of America
Applications
Overview

Custom preparations, technical support, bulk quantities and aliquoting available, email Info@leebio.com for more details.

Pepsin is an enzyme whose zymogen (pepsinogen) is released by the chief cells in the stomach and that degrades food proteins into peptides. It was the first enzyme to be discovered, and, in 1929, it became one of the first enzymes to be crystallized, by John H. Northrop. Pepsin is a digestive protease, a member of the aspartate protease family.

Pepsin is one of three principal protein-degrading, or proteolytic, enzymes in the digestive system, the other two being chymotrypsin and trypsin. The three enzymes were among the first to be isolated in crystalline form. During the process of digestion, these enzymes, each of which is specialized in severing links between particular types of amino acids, collaborate to break down dietary proteins into their components, i.e., peptides and amino acids, which can be readily absorbed by the intestinal lining. Pepsin is most efficient in cleaving peptide bonds between hydrophobic and preferably aromatic amino acids such as phenylalanine, tryptophan, and tyrosine.

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