What is acarbose chemically and how does it act

Acarbose is a pseudo-tetrasaccharide, a biotechnology product. It contains acarbiosine, which resembles a disaccharide, connected with a maltose residue via an a-glucosidic bond. Acarbiosine is recognized and gets bound to the glucosidases of the intestinal brush border. This results in the inhibition of carbohydrate hydrolysis and the delay of their digestion in the duodenum and jejunum during the first two hours after the meal. This effect is dose-dependent. Acarbose is excreted unaltered by the kidneys, and less than 2 percent is absorbed by the intestine.

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