Carbohydrate Digestion 122009 2 slide

Carbohydrate Digestion 122009 2 slide - CARBOHYDRATE...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
1 C ARBOHYDRATE D IGESTION & A BSORPTION ( PG . 68-76) Lia M. Nightingale, Ph.D. Carbohydrates Simple Carbs Monosaccharides Disaccharides Complex Carbs Oligosaccharides Polysaccharides Sweet Sweet Sugars Saccharides or glycans
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 M OUTH - D IGESTION Enzymes in saliva: Salivary α -amylase randomly digesting α (1-4) bonds in starch Reducing end Non-reducing ends S TOMACH - D IGESTION Salivary amylase is denatured by stomach acid Carbohydrates are not digested in the stomach!
Background image of page 2
3 S TOMACH - D IGESTION Soluble fiber can form a physical barrier , not allowing sufficient exposure to digestive enzymes E Soluble fiber can swell in stomach, delaying gastric emptying (increases satiety ). S MALL I NTESTINE - D IGESTION Pancreatic α -amylase & brush border enzymes ( lactase, maltase, sucrase, isomaltase ) digest sugars into monosaccharides Glucose Galactose Fructose
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 C LINICAL C ORRELATION : L ACTOSE I NTOLERANCE Lactase concentration is high in infants and may diminish with age Lactase deficiency causes lactose malabsorption Lactose goes to LI and is fermented to short-chain fatty acids Prevalent in African Americans, Jews, Arabs, Greeks, &
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 13

Carbohydrate Digestion 122009 2 slide - CARBOHYDRATE...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online