ptyalin


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ptyalin

(tī`əlĭn): see amylaseamylase
, enzyme having physiological, commercial, and historical significance, also called diastase. It is found in both plants and animals. Amylase was purified (1835) from malt by Anselme Payen and Jean Persoz.
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ptyalin

[′tī·ə·lən]
(biochemistry)
A diastatic enzyme found in saliva which catalyzes the hydrolysis of starch to dextrin, maltose, and glucose, and the hydrolysis of sucrose to glucose and fructose. Also known as ptyalase; salivary amylase; salivary diastase.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Saliva contains an enzyme called ptyalin. When mixed with food it changes starch into a form of sugar, making it more easily digested.
Chewing causes the ptyalin in saliva to begin digesting the food.