Abstract
Monosaccharides do not require intestinal digestion prior to absorption. Salivary a-amylase and pancreatic a-amylase are similar enzymes. Members of the amylase family of enzymes are found in many tissues and organs of the body, however the highest concentrations are in the salivary glands and pancreas. Disaccharides cannot be absorbed (intact) by the intestine. Intestinal glucose and galactose absorption is Na+-dependent, yet insulin-independent. Intestinal fructose absorption is normally slower than glucose and galactose absorption. Most intestinal glucose absorption is associated with aerobic energy expenditure. A b-glucosidase and a b-galactosidase are present in the brush border of the small intestine, which hydrolyze glucose and galactose residues from glucocerebrosides and galactocerebrosides.
Published Version
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