pepsin

or pep·sine

[ pep-sin ]

/ ˈpɛp sɪn /

noun Biochemistry.

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

1835–45; <Greek péps(is) digestion (pep-, base of péptein to digest + -sis-sis) + -in²

Words nearby pepsin

pepperwort, peppery, pep pill, peppy, pep rally, pepsin, pepsin A, pepsinate, pepsinogen, pep someone up, peptalk

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pepsin

The pepsin is added to the mixture only when warm, and is injected at once.
The Mother and Her Child|William S. Sadler
The chief distinction is that trypsin acts in an alkaline solution, while pepsin acts in an acid solution.
Encyclopedia of Diet|Eugene Christian
They may be made less irritating by giving them with essence of pepsin.
Arteriosclerosis and Hypertension:|Louis Marshall Warfield
"But, Mme. Octave, it is not time for your pepsin," Franoise would begin.
Swann's Way|Marcel Proust

Among these are tablets consisting simply of pepsin and pancreatin.
The Propaganda for Reform in Proprietary Medicines, Vol. 1 of 2|Various

British Dictionary definitions for pepsin

pepsin

pepsine

/ (ˈpɛpsɪn) /

noun

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

C19: via German from Greek pepsis, from peptein to digest

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for pepsin

pepsin

n.

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.

Scientific definitions for pepsin

pepsin

[ pĕp′sĭn ]

Any of various digestive enzymes found in vertebrate animals that catalyze the hydrolysis of proteins to peptides.

单词	pepsin
释义	pepsin or pep·sine [ pep-sin ] / ˈpɛp sɪn / noun Biochemistry. 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 1835–45; <Greek péps(is) digestion (pep-, base of péptein to digest + -sis-sis) + -in² Words nearby pepsin pepperwort, peppery, pep pill, peppy, pep rally, pepsin, pepsin A, pepsinate, pepsinogen, pep someone up, peptalk Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pepsin The pepsin is added to the mixture only when warm, and is injected at once. The Mother and Her Child\|William S. Sadler The chief distinction is that trypsin acts in an alkaline solution, while pepsin acts in an acid solution. Encyclopedia of Diet\|Eugene Christian They may be made less irritating by giving them with essence of pepsin. Arteriosclerosis and Hypertension:\|Louis Marshall Warfield "But, Mme. Octave, it is not time for your pepsin," Franoise would begin. Swann's Way\|Marcel Proust Among these are tablets consisting simply of pepsin and pancreatin. The Propaganda for Reform in Proprietary Medicines, Vol. 1 of 2\|Various British Dictionary definitions for pepsin pepsin pepsine / (ˈpɛpsɪn) / noun 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 C19: via German from Greek pepsis, from peptein to digest Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for pepsin pepsin n. 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. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for pepsin pepsin [ pĕp′sĭn ] Any of various digestive enzymes found in vertebrate animals that catalyze the hydrolysis of proteins to peptides. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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