
Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Maltase is a glycoside hydrolase enzyme (EC 3.2.1.20) primarily produced by enterocytes in the small intestine. It catalyzes the hydrolysis of maltose into two glucose molecules by cleaving the α-(1→4) glycosidic bond, facilitating carbohydrate digestion.

Reported Benefits (Provisional)
Origin & History

Maltase (EC 3.2.1.20) is a glycoside hydrolase enzyme primarily produced by the enterocytes of the small intestine in humans and many animals. It catalyzes the final step of starch digestion by hydrolyzing maltose, a disaccharide, into two molecules of glucose. This enzymatic action is critical for the efficient absorption of glucose, providing the body with its primary energy source.
Research Narrative (Provisional)
Extensive enzymology studies have elucidated maltase's critical role in disaccharide digestion and its importance in conditions like congenital sucrase-isomaltase deficiency (CSID). Research, including clinical observations, also explores its broader implications in various gastrointestinal disorders and its contribution to metabolic syndromes through its impact on glucose absorption and utilization.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Glycoside hydrolase enzyme (EC 3.2.1.20) - Substrate specificity: Maltose, maltotriose, and alpha-glucans - Product: Glucose
Reported Mechanism (Provisional)
Maltase, an α-glucosidase (GH13), directly acts on maltose by hydrolyzing the α-(1→4) glycosidic bond. This reaction yields two D-glucose molecules, which are then absorbed by the small intestine for energy production. The enzyme's optimal activity is typically around 45°C and pH 6.5, ensuring efficient carbohydrate breakdown within physiological conditions.
Clinical Narrative (Provisional)
Extensive enzymology studies and in vitro research have thoroughly characterized maltase's catalytic role in disaccharide digestion. Clinical observations and case studies in individuals with congenital sucrase-isomaltase deficiency (CSID) highlight its indispensable function in maltose breakdown and nutrient absorption, demonstrating severe digestive issues when deficient. While broader implications in various gastrointestinal disorders are explored, large-scale, placebo-controlled human trials specifically on maltase supplementation benefits beyond deficiency are less extensively documented.
Also Known As
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