#3 Nutrition - 9 5 2007

#3 Nutrition - 9 5 2007 - Nutrition Nutrients Essential...

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Nutrition
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Nutrients - Proteins - Carbohydrates - Fats - Vitamins - Minerals - Water 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 Proteins Carbohydrates Fats NONE Non-energy Nutrients Water Vitamins Minerals Non- essential Nutrients Alcohol – does provide energy, does have calories Macro nutrients  Micro nutrients
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Energy from Food Kilocalorie: a measure of energy content in food; the amount of heat it takes to raise the temperature of 1 liter of water 1 degree C; Commonly referred to as “Calorie”
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Carbohydrates (CHO) The primary function of dietary carbohydrate is to: Provide body with energy 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
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#3 Nutrition - 9 5 2007 - Nutrition Nutrients Essential...

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