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Carbohydrates The Fuel Machine
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Chemical Elements in Carbohydrates
Carbon Hydrogen Oxygen
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Function Of Carbohydrates
1. To provide energy (most important function) 2. Provide bulk in the diet 3. Provide dietary fiber 4. Assist in the metabolism of fats 5. Spare protein for tissue maintenance
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Forms Simple Complex Dietary Fibers
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Simple Classifications Monosaccharides Disaccharides Characteristics
AKA: Sugars Classifications Monosaccharides Disaccharides Characteristics Water Soluble Occur naturally (fruits, milk, honey) Occur as refined sugars and syrups Any word ending in “ose” is a sugar ex: lactose fructose, glucose, sucrose Too much sugar= weight gain, tooth decay
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Complex Classifications Starches Cellulose Fibers Characteristics
AKA Starches Classifications Starches Cellulose Fibers Characteristics Insoluble Polysaccharides Found in plants, seeds, roots,& tubers
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Dietary Fiber AKA Fiber Classifications 1. Soluble 2.Insoluble Characterstics a. Indigestible b. Provide no calories c. Found only in plant products
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Whole Grain Kernel Endosperm Contains Protein needed for gluten
Source of refined flour. Low in B complex Vitamins Bran: Outer shell Rich in B Complex Vitamins & Fiber Carbs used for energy Removed in “milling” white flour Wheat Germ: High in B complex Vitamins Capable of sprouting new plant
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Fiber Part of plants that our bodies can’t digest
Helps promote normal digestion and elimination of wastes. Can lower your risk of heart disease, certain types of cancer, diabetes & can lower your cholesterol Bread, Apples, cereal, pasta, whole grain products, rice, oranges, beans.
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Advantages of Complex over Simple Carbohydrates
1. Gives a Feeling of Fullness 2. Takes Longer to Digest 3.Adds fiber to the Diet 4. Contains many other nutrients 5. Does not promote tooth decay 6. Reduced spikes in blood sugar levels
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Dietary Sources of Sugars
Fruit Honey Milk Juices (100% and cocktails) Alcohol Syrups Cakes, cookies, candies Soda Added to many refined foods
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Dietary Sources of Starches
Cereal Grains (wheat, oats, rice, etc) Pasta Breads Legumes Vegetables Potatoes Anything made with flour
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50- 60 % of your daily calories should come from Carbs
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