#3 Nutrition_part I

#3 Nutrition_part I - Nutrition Nutrients Essential...

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Nutrition
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Nutrients Essential nutrients = Essential nutrients = substances the body substances the body must get from food must get from food
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Classes of Nutrients Essential Energy Nutrients Non-energy Nutrients Non- essential Nutrients Macro nutrients  Micro nutrients
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Energy from Food Kilocalorie:
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Carbohydrates (CHO) The primary function of dietary carbohydrate is to: Simple carbohydrates Found naturally in fruits and milk and added to many other foods Include sucrose, fructose, maltose, and lactose
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CHOs Types Complex carbohydrates Found in plants, especially grains, legumes, and tubers Include starches and most types of dietary fiber
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Whole Grains Composition of whole grains Composition of refined grains
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Refined Carbohydrates Versus Whole Grains What is the difference Wheat bread Whole wheat bread White wheat bread Enriched bread Choose foods that have a whole grain as the first item on the ingredient list on the label Whole wheat, whole rye, whole oats, oatmeal, whole-grain corn, brown rice, popcorn, barley, etc.
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Simple CHO (sugars) Nutritious vs “Empty ” sugars Common sources of Nutritious simple sugars Common sources of empty, non-nutritive simple sugars Identifying added Sugars: glucose, fructose, dextrose, corn syrup, high-fructose corn syrup , molasses, brown sugar, sugar Fruits, milk, honey Soft drinks, fruit punch (Kool-Aid), sports drinks, candy, bakery foods
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Absorption of Carbohydrates During digestion, most CHO broken down into glucose and enters bloodstream Pancreas releases hormone insulin Insulin allows glucose to enter cells (regulates blood sugar levels) Liver and muscles take up glucose and store (glycogen)
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Absorption of Carbohydrates Consumption of carbohydrates causes insulin and glucose levels in the blood to
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This note was uploaded on 04/19/2010 for the course CS 1371 taught by Professor Stallworth during the Fall '08 term at Georgia Tech.

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#3 Nutrition_part I - Nutrition Nutrients Essential...

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