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GASTROINTESTINAL PHYSIOLOGY

Digestion of Carbohydrales

Maftose

Pancreatic amyiase ^

Pancreas.,

Saliyary / amylase y (plyalio)

Secretin and holecystokinii

Maltose

Maltase

Sucrose

lactose

Lacmse

(ilueose

Fructose |

Epithelial cells

Figurę 7.36 Digestion of Carbohydrates_

Digestion of carbohydrates and starches begins in the mouth and calyx also secretes isomaitase (not shown in figurę). These monosac stornach through the action of salivary amylase. Pancreatic amylase charides are absorbed by the intestinal epitheiial cells coupled to and enzymes associated with the glycocaly* of the intestinal epithe- Na* (see Figurę 7.34). lial cells continue this process, yielding monosaccharides. The glyco-