Lecture 6 - CARBOHYDRATES NTRN 201 FACT or FICTION? White...

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CARBOHYDRATES NTRN 201
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FACT or FICTION? The following foods contain carbohydrates: White bread Olive Oil Rye bread whole wheat bread Butter Spaghetti Pork chop Brown rice tofu Fiber one Cereal Salmon Pizza Cherrios Apple Peanuts Banana Bacon Grapes Orange juice Regular Cola Diet cola Chicken Skim milk Ice cream Crackers Chocolate cake Angel food cake Margarine Green beans Broccoli Cheddar Cheese Carrots Celery Salad dressing Hamburger Yogurt Popcorn Gatorade
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Photosynthesis Sunlight [Radiant Energy] 6CO 2 + 6 H 2 O + energy C 6 H 12 O 6 + 6 O 2 Chlorophyll & Plant enzymes
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Carbohydrates = CHO Made up of 3 elements: Carbon Hydrogen Oxygen
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Monosaccharides Fructose Glucose Galactose McGraw Hill Publishing Boxed areas are the parts that differ from a glucose molecule.
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Disaccharides Sucrose = fructose + glucose Maltose = glucose + glucose Lactose = glucose + galactose
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Sweetness of Sugars and Alternative Sweeteners Type of Sweetener Relative Sweetness Lactose 0.2 Maltose 0.4 Glucose 0.7 Sucrose 1.0 Fructose 1.2 – 1.8 Sorbitol 0.6 Mannitol 0.7 Xylitol 0.9 Aspartame 180 Acesulfame-K 200 Saccharin 300 Sucralose 600
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Polysaccharides Starch = Glycogen = Cellulose =
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Recommendations for Complex Carbohydrates Daily Values 300 grams of complex carbohydrate or 60% of total calories Healthy People 2010 Increase complex carbohydrate and fiber-containing foods in the diets of adults to 5 or more daily servings for vegetables (including legumes) and fruits and to 6 or more daily servings for grain products. World Health Organization (WHO) Lower limit : 50% of total calories from complex carbohydrates Upper limit: 75% of total calories from complex carbohydrates
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Recommendations for Complex Carbohydrates RDA is 130 grams/day. This is based on the minimum amount required to spare protein from being used as an energy source. Exceeding this amount is fine. The recommends 45 – 60% of total calories be made up of CHOs. Dietary Guidelines 2005: Consume a sufficient amount of fruits and vegetables while staying within energy needs. 2 cups of fruit and 2.5 cups of vegetables per day are recommended for a reference 2000 cal. Intake. Choose a variety of fruits and vegetables daily.
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This note was uploaded on 01/30/2011 for the course EMSE 103 taught by Professor Ggh during the Spring '10 term at Case Western.

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Lecture 6 - CARBOHYDRATES NTRN 201 FACT or FICTION? White...

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