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Maltose (/ ˈ m ɔː l t oʊ s / [2] or / ˈ m ɔː l t oʊ z / [3]), also known as maltobiose or malt sugar, is a disaccharide formed from two units of glucose joined with an α(1→4) bond. In the isomer isomaltose , the two glucose molecules are joined with an α(1→6) bond.
The differences in these disaccharides are due to atomic arrangements within the molecule. [3] ... is a condensation product of glucose and fructose. Maltose, ...
A molecule of maltose is formed by the combination of two molecules of glucose. It is less sweet than glucose, fructose or sucrose. [ 72 ] It is formed in the body during the digestion of starch by the enzyme amylase and is itself broken down during digestion by the enzyme maltase .
Maltose, a disaccharide made of two glucose (dextrose) molecules, has a DE of 52, correcting for the water loss in molecular weight when the two molecules are combined. Glucose (dextrose) has a molecular mass of 180, while water has a molecular mass of 18. For each 2 glucose monomers binding, a water molecule is removed.
The glucose units are primarily linked with α(1→4) glycosidic bonds, like those seen in the linear derivative of glycogen (after the removal of α1,6- branching). [ 1 ] [ 4 ] [ 5 ] Commercial maltodextrin is typically composed of a mixture of chains that vary from three to 17 glucose units long.
Hydrolysis reaction of Maltose being broken at the 1-4 alpha-glucosidase linkage. The mechanism of all FamilyGH13 enzymes is to break a α-glucosidase linkage by hydrolyzing it. Maltase focuses on breaking apart maltose, a disaccharide that is a link between 2 units of glucose, at the α-(1->4) bond.
The common disaccharides lactose and maltose are directly detected by Benedict's reagent because each contains a glucose with a free reducing aldehyde moiety after isomerization. Sucrose (table sugar ) contains two sugars (fructose and glucose) joined by their glycosidic bond in such a way as to prevent the glucose undergoing isomerization to ...
Lactase (breaks down lactose into glucose and galactose) Maltase (breaks down maltose into 2 glucoses) Sucrase (breaks down sucrose into glucose and fructose) Trehalase (breaks down trehalose into 2 glucoses) For a thorough scientific overview of small-intestinal disaccharidases, one can consult chapter 75 of OMMBID. [1]