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invertase

[in-vur-teys, -teyz]
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noun Biochemistry.
  1. an enzyme, occurring in yeast and in the digestive juices of animals, that causes the inversion of cane sugar into invert sugar.
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Also in·ver·tin [in-vur-tn] /ɪnˈvɜr tn/.

Origin of invertase

First recorded in 1875–80; invert + -ase
Also called sucrase.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for invertase

Historical Examples

  • Fischer found that the enzyme “invertase,” which is present in yeast, attacks methyl-d-glucoside but not methyl-l-glucoside.

    Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3

    Various

  • When hydrolyzed by acids, or by the enzyme "invertase," it yields a mixture of equal quantities of glucose and fructose.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher

  • The optimum temperature for invertase is 50° to 54°; it is killed if heated, in the moist condition, to 70°.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher


British Dictionary definitions for invertase

invertase

noun
  1. an enzyme, occurring in the intestinal juice of animals and in yeasts, that hydrolyses sucrose to glucose and fructoseAlso called: saccharase
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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

invertase in Medicine

invertase

(ĭn-vûrtās′, ĭnvər-tās′, -tāz′)
n.
  1. An enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose.beta-fructofuranosidase invertin saccharase sucrase
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.