sucrasen.
/ˈs(j)uːkreɪz/ Biochemistry.
An enzyme that catalyses the hydrolysis of disaccharides to monosaccharides; spec. that which catalyses the hydrolysis of sucrose to glucose and fructose; = invertin n., invertase n., saccharase n.
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invertin1878
invertase1884
sucrase1900
1900 in B. D. Jackson Gloss. Bot. Terms
1901 Jrnl. Chem. Soc. 80 i. 180 The isolation of ‘sucrase’ the actual enzyme of cane sugar inversion from yeast in a pure form appears..to be hopeless.
1954 A. White et al. Princ. Biochem. xvii. 397 Specific disaccharases for sucrose and lactose, named sucrase and lactase, respectively, are supposed to occur also in the intestinal juice.
1974 Encycl. Brit. Micropædia IX. 640/1 Sucrase is produced by the mucous membrane cells lining the walls of the small intestine.
1981 M. Toporek Basic Chem. Life xix. 271 Evidence at present indicates that..maltase, sucrase, and lactase are not actually secreted into the intestinal lumen.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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n.1900