Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See invertase.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a number of enzymes that catalyze the hydrolysis of sucrose to fructose and glucose.

from The Century Dictionary and Cyclopedia

  • n. A ferment which causes the inversion of sucrose.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose

Etymologies

French sucre, sugar (from Old French sukere; see sugar) + -ase.
(American Heritage® Dictionary of the English Language, Fourth Edition)
sucrose +‎ -ase (Wiktionary)

Examples

  • Real human lactase assays are usually normalized to the ratio of sucrase to lactase, which is too confusing to present here.

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  • But here's a nice graph showing how lactase levels decline and sucrase levels rise in rats from a page by R.

    Archive 2007-11-01

  • Immunolocalization of SR-BI / CLA-1 (green channel) and sucrase isomaltase (SI, red channel) in differentiated Caco-2 / TC7 cells before (T0) and after 5, 10 and 15 min of apical PPM supply.

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  • Chantret I, Rodolosse A, Barbat A, Dussaulx E, Brot-Laroche E, et al. (1994) Differential expression of sucrase-isomaltase in clones isolated from early and late passages of the cell line Caco-2: evidence for glucose-dependent negative regulation.

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  • In the absence of micelles from the apical compartment, apoB co-localized with the brush-border marker sucrase-isomaltase (SI).

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  • There are three important disaccharidase enzymes: maltase maltose    → glucose  sucrase sucrose    → glucose + fructose  lactase lactose  → glucose + galactose The disaccharidase enzymes are unusual in that they are located in the membrane of the ileum epithelial cells.

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  • Sucrose is broken down during digestion into fructose and glucose through hydrolysis by the enzyme sucrase, by which the body regulates the rate of sucrose breakdown.

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  • Kato and co-workers report that the full hot water extract, as well as esculetin and quercetin possessed moderate inhibitory activity of sucrase enzymes, which are responsible for the conversion of sucrose to fructose and glucose.

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  • Immunofluorescence analysis of SR-BI / CLA-1 localisation confirmed that SR-BI / CLA-1 co-localized with the brush-border marker sucrase-isomaltase in control Caco-2 / TC7 cells, (

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