Nutri Sci Exam 1

Nutri Sci Exam 1 - Carbohydrates(CHO) Carbohydrates(CHO)...

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Carbohydrates (CHO) 23:01 Carbohydrates (CHO) Photosynthesis  O2 + H20 +solar energy   C6H12O6 (glucose) + O2 Simple CHO (sugars) to Complex CHO (polysaccharides –polymers of glucose) Monosaccharides Glucose 6 carbon, 6 sided ring fruit, sweet corn, honey goes straight to blood stream Fructose 6 carbon, 5 sided ring fruit, honey, etc. Galactose Similar to glucose Found in lactose Disacchorides Sucrose Glucose + fructose Table sugar, sugar cane, maple sugar, fruit, honey
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Maltose Glucose + glucose Starch digestion Sprouting Malting, barley malt syrup Lactose Glucose + galactose Milk sugar Oligosacchorides Raffmose Stachyose Polysaccarides Starch 3000-4000 glucose amylose, amylopectin (branching) grains, legumes, starchy vegetables  Dextrins Breakdown products digestion Glycogen Store CHO Liver + muscle   maintains blood sugar
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High intensity exercise, anaerobic Cellulose Dietary fiber =indigestible  Amylase cant break down/digest Plants, lignin Sources: whole grains, fruits w/ seeds, veggies Pectin (gels) Soluble fibers Galactose polymers, gums, guar gums, camogeam  Digestion: stomach   maltose, salivary amylose, pancreativ amylose Disaccharides  Mucosa Sucrase –sucrose Lactase –lactose Lactase insufficiency  Lactose intolerance Cramping, bloating, diarrhea  Danes = 3% Africans = 50% Asians =90% Culture Milk
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Bacteria lactase yogurt Mold lactase cheese Effects of Fiber Insoluble Absorbs water Swells up Stimulate peristalsis Decreases transit time Prevents + treats constipation Soluble Lowers blood cholesterol Bile Slows CHO absorption from gut Stabilizes blood sugar Most CHO delivered to cells as glucose  
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Nutri Sci Exam 1 - Carbohydrates(CHO) Carbohydrates(CHO)...

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