pepsine

pepsin

[pep-sin]
noun Biochemistry.
1.
an enzyme, produced in the stomach, that in the presence of hydrochloric acid splits proteins into proteoses and peptones.
2.
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.
Also, pepsine.


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

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World English Dictionary
pepsin or pepsine (ˈpɛpsɪn)
 
n
a proteolytic enzyme produced in the stomach in the inactive form pepsinogen, which, when activated by acid, splits proteins into peptones
 
[C19: via German from Greek pepsis, from peptein to digest]
 
pepsine or pepsine
 
n
 
[C19: via German from Greek pepsis, from peptein to digest]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

pepsin pep·sin or pep·sine (pěp'sĭn)
n.

  1. Any of various digestive enzymes found in gastric juice that catalyze the hydrolysis of proteins to peptides.

  2. 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.
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American Heritage
Science Dictionary
pepsin   (pěp'sĭn)  Pronunciation Key 
Any of various digestive enzymes found in vertebrate animals that catalyze the hydrolysis of proteins to peptides.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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