| sucrase |
invertase: an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose
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| sucrase-isomaltase |
see under complex.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| sucrase-isomaltase c. |
the enzyme complex comprising sucrase and α-dextrinase (isomaltase) activities, occurring in the brush border of the intestinal mucosa and hydrolyzing maltose as well as maltotriose and some other glycosidic bonds; the enzymes are synthesized as a single polypeptide and cleaved to form a heterodimer, each possessing a separate catalytic site. See also sucrase-isomaltase deficiency, under deficiency.
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| sucrase-isomaltase d. |
a disaccharidase deficiency in which deficient activity of the sucrase-isomaltase complex of the intestinal mucosa results in malabsorption of sucrose and starch dextrins; it is characterized by watery, osmotic-fermentative diarrhea, sometimes leading to dehydration and malnutrition, manifest in infancy (congenital sucrose intolerance). While sucrase activity is always absent, α-dextrinase (isomaltase) activity may be either greatly reduced or relatively normal. See also disaccharide intolerance, under intolerance.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| sucrase-isomaltase deficiency |
see under deficiency.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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