EXAMPLES | WORD ORIGIN an enzyme that breaks down starch into maltose, then dextrose, and is present in malt. Origin of diastase
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for diastase Historical Examples of diastase
Starch converted by the action of acids,
diastase, or heat, into a soluble substance resembling gum.
This malt contains a certain chemical “ferment” or enzyme, called “
diastase” (“I separate”).
This increases the
diastase contained in the grain so germinated, and this diastase is able to transform starch into soluble form.
This is better effected by an acid such as sulphuric acid, or by a
This saccharification of the starch may be accomplished by sulphuric acid or by the action of
diastase. British Dictionary definitions for diastase noun any of a group of enzymes that hydrolyse starch to maltose. They are present in germinated barley and in the pancreas See also amylase Derived Forms diastasic, adjective Word Origin for diastase
C19: from French, from Greek
diastasis a separation; see diastasis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for diastase n.
enzyme or group of enzymes found in a seed and capable of converting starch into sugar, coined 1833 by Payen and Persoz from Greek
diastasis "a setting apart," from dia- "across" (see dia-) + stasis "a standing" (see stasis).
Online Etymology Dictionary, © 2010 Douglas Harper
diastase [dī ′ə-stās′, -stāz′] n. An amylase or a mixture of amylases that converts starch to dextrin and maltose, is found in certain germinating grains such as malt, and is used to make soluble starches, to aid the digestion of starches, and to digest glycogen in histological sections.
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