Lect 5 BOL Carbo2 - Carbohydrates 2 Lecture 5 Carbohydrates...

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Carbohydrates 2 Lecture 5 Carbohydrates in our diet Sweeteners Liver Glucose Metabolism Diabetes
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Why do we need CHO? CHO provides energy – 4 Kcal/gm Our body depends on CHO and fats for daily activity.
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Carbohydrate Loading Athletes use loading to increase glycogen stored in liver and muscle (up to 3 times) Delays onset of fatigue during strenuous physical activity lasting longer than 60 minutes Must begin 7-8 days prior to competition Not suitable for everyone
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Unhealthy trends in US CHO consumption Most Americans eat too few fiber-rich CHO (dietary fiber) too much simple sugars
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Adequate intake for dietary fiber: Men: 38 g/day Women: 25 gm or 14 g fiber per 1000 kcal per day US consumption is about 12 to 18 g fiber per day
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Most Amer icans eat too much simple sugar Average CHO intake in US: 50% of energy of total intake – for some half is simple sugars Sources of simple sugars Fruits, milk, pies, cookies, fruit drinks, candy Added sugars cola soft drinks: 12 oz contains 38.5 g sugar average US consumption is 267 cups/yr 16420 g (~16 kg) sugar
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health problems supposedly associated with simple sugars Dental caries (cavities): YES Hyperactivity in children: NO Increase in unhealthful levels of blood lipids – triglycerides, LDL (“bad
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This note was uploaded on 03/30/2011 for the course NUTRI SCI 10 taught by Professor Amy during the Spring '08 term at University of California, Berkeley.

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Lect 5 BOL Carbo2 - Carbohydrates 2 Lecture 5 Carbohydrates...

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