The Digestion of Starches and Sugars Present in the Diet

  • B. Flourié
Part of the ILSI Human Nutrition Reviews book series (ILSI HUMAN)


In standard nutritional texts, the digestion and absorption of dietary carbohydrates is usually presented in simple terms. Monosaccharides are absorbed directly, whereas disaccharides are first hydrolysed in the brush border of the mucosal cells by a series of specific disaccharidase enzymes. Dietary polysaccharides have classically been considered to fall into two broad categories: those that are hydrolysed by endogenous enzymes, the available polysaccharides, and those that are not, the unavailable polysaccharides. Only starch and glycogen are considered to fall into the available category of dietary polysaccharides. This simple nutritional concept appears to run counter to many observations of the enzymatic hydrolysis of starch in vitro and in vivo.


Gastric Emptying Resistant Starch Glycaemic Index Starch Digestion Human Small Intestine 
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© Springer-Verlag Berlin Heidelberg 1989

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  • B. Flourié

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