NUTR 3210 Lecture Notes - Lecture 5: Ketone Bodies, Ketosis, Glycocalyx

• School: University of Guelph
• Department: Nutrition
• Course: NUTR 3210
• Professor: Jim Kirkland

Document Summary

Digestion of carbohydrates: chewing mixed with saliva, salivary alpha amylase, not a lot of cho digestion in the stomach, pancreatic alpha amylase, brush border enzymes, fibre fermentation vfas, feces excretion. Enzymatic digestion at the intestinal brush border: cho trajectory originates in the lumen, glyocalyx: essential for cho digestion, rich in bound enzymes, starch: moves along the lumen to come into contact with speciuic enzymes, alpha amylase: uirst attacks done by salivary glands and pancreas to break larger chains into maltose and alpha dextrine"s, processing disaccharides: enzymatic attack when come into contact with glycocalyx i. e. maltase and isomaltase(alpha dextrinase breaks the alpha 1 6 glycosidic bonds, other glcyolayx linked enzymes i. e. lactase, sucrose broken down by sucrase, free sugars in glycolcalyx can come into contact with speciuic transporters imbedded in the microvilli surface, transporters allow sugar units to move across membrane and into enterocyte cytosol.