Digestion and Absorption of Carbohydrates
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6 Terms
What are the Sites for Carbohydrate Digestion
Mouth and Small Intestine
How is Digestion of Carbohydrates carried out in the mouth
Mechanical digestion : chewing
Chemical Digestion: Salivary glands are located in the oral cavity secrete saliva
Saliva contains salivary amylase
Amylase hydrolyses starch into maltose and dextrins
How is digestion of Carbohydrates carried out in the small intestine?
by enzymes
Pancreatic enzymes: alpha (a) amylase
Brush border enzyme: Disaccharidases, Oligsaccharidase, Isomaltase, a (1,60 glucosidase
Outline the action of pancreatic alpha amylase
pancreatic alpha amylase is an ndoglycosidase: does not act on terminal glycosidic bonds
It is specific for a(14) linkages and does not act on a(1,6) linkages
The hydrolytic products are maltose, maltotriose and a limit dextrins
What does the brush border enzymes work on
How are monosaccharides absorbed through the entry of enterocytes
By passive diffusion
By membrane-associated transporters- Na+ independent transporters
Na+/glucose co-transporters
Note 
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