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NUTRITION – MACRONUTRIENTS & MICRONUTRIENTS Topic 1
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Nutrition – is it important? Leading cause of death in United States #1- Heart Disease #2 - Cancer #4 - Stroke #7 - Diabetes Number of deaths per year with a direct link to nutrition, Over1.3 million Many diseases effects can be reduced or completely abolished by practicing good nutrition.
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Nutrition is the process by which humans take in and use food in their bodies What is Nutrition? EAT Play/Work Sleep
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The Basics ‘Macronutrients’ and ‘Micronutrients’ Macronutrients – Protein, fat and carbohydrates Micronutrients – All vitamins and minerals Fiber (form of Carbohydrate) Structural part of plants Water Essential to survival!
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Water Regulates body temperature Lubricates joints Flushes out waste products in the liver and kidneys Carries nutrients & oxygen to cells Dissolves minerals & nutrients to make them accessible to the body Protects organs Aids in prevention of constipation
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Fluid Facts Factors that influence fluid requirements Exercise Environment Illness & health related conditions Pregnancy and breastfeeding When not enough fluid is consumed dehydration occurs! Constipation Falls Confusion Infections & hospitalizations
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Macronutrients – Protein Protein Builds and repairs muscles Makes hair and skin Fights against infections Supplies energy to the body Protein ~25% daily calories Calories Sedentary men 1800 calories/day Sedentary women 1500 calories/day
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Macronutrients – Carbohydrates Carbohydrates Provides energy for daily activities Helps mental function Needed for heart to beat, muscles to move and lungs to breathe Carbohydrates ~50% daily calories Calories Sedentary men 1800 calories/day Sedentary women 1500 calories/day
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Macronutrients – Fat Fat Provides insulation to the body Helps store fat-soluble vitamins Protects the heart, kidneys, and liver Supplies energy to the body Fat ~30% daily calories Calories Sedentary men 1800 calories/day Sedentary women 1500 calories/day
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Fiber Soluble fiber (functions) Lowers blood cholesterol; delays glucose absorption Insoluble fiber (functions) Accelerates intestinal transit time; adds bulk
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How Many Macronutrients are in My Food? READ LABELS Calorie King (book or website) www.nutritiondata.com www.nutritiondata.com www.mypyramid.gov www.mypyramid.gov www.nal.usda.gov/fnic/foodcomp/ search/ www.nal.usda.gov/fnic/foodcomp/ search/
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Micronutrients – small amounts Vitamins: A, B, C, D, E and K Needed for healthy teeth and skin (vitamin A) Converts carbohydrates into energy (B1-thiamin) Maintenance of normal brain function (B-6 pyridoxine) Minerals/Electrolytes: Iron, zinc, calcium, potassium, magnesium, etc. Builds strong bones and teeth (calcium) Formation and repair of muscles (magnesium) Maintenance of blood sugar levels (chromium)
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Water Soluble Vitamins
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Fat Soluble Vitamins
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How Many Micronutrients are in My Food? Reading labels Reference books Internet resources such as www.mypyramid.gov and www.nal.usda.gov/fnic/foodcomp /search/
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How Many Micronutrients do I need? Individual to each person based on Sex Age Disease state Pregnant or lactating Dietary Reference Intakes: www.fnic.nal.usda.gov www.fnic.nal.usda.gov
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Example of DRI Table
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Bringing it all Together Macro & Micro are found together in most foods Balance of both makes a nutrient dense food Examples: Banana- Carbohydrate and potassium Oatmeal- Carbohydrate, folate, and B vitamins Salmon- Protein, fat and vitamins D and E Avocado- Fat, B vitamins, vitamins E and K Broccoli- Carbohydrate, vitamin A and C Chocolate cake- Calories, carbohydrates, fat, sodium
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But I don’t like calculations…!?! Dietary Guidelines for Americans (DGA) 6 servings grains daily (make ½ whole grains) 3 servings of dairy daily Choose lean meats 5 fruits & vegetables daily Less than 1/3 of calories from fat (30%) Snacks Count Too! 1–2 each day ~150 calories each Handout
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Techniques to use in the Real World Plate Method ½ of plate of foods with carbohydrate Rice, breads, pasta, fruits, vegetables etc ¼ of plate of foods with protein Salmon, beans etc ¼ of plate or less of foods with fat Dressings, sauces etc
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Snacks Count Too! Snacks should be included in your total carbohydrate, fat &protein daily percentages 1 – 2 each day ~150 calories each Examples: Low fat yogurt and granola (1 cup) Air popped popcorn, unbuttered (2 cups) Apples and peanut butter
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Sample Menu Breakfast: Hot Cereal w/ Blueberries Scrambled Egg Snack: Apple Slices w/ Peanut Butter Lunch: Turkey Sandwich on Wheat w/ LTO & Mayo Grapes Snack: Yogurt w/ Granola Dinner: Salmon w/ Brown Rice and Green Beans Dessert: Strawberries w/ Cool Whip
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Discussion What about…? Can I still eat CAKE? Do I have to eat broccoli??
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Reference Materials Mayo Clinic - http://www.mayoclinic.com/http://www.mayoclinic.com/ American Dietetic Association – http://www.eatright.org/http://www.eatright.org/ MyPyramid - http://www.mypyramid.gov/http://www.mypyramid.gov/ American Heart Association - http://www.heart.org/HEARTORG/ http://www.heart.org/HEARTORG/ American Diabetes Association - http://www.diabetes.org/http://www.diabetes.org/ Center for Science in the Public Interest - http://www.cspinet.org/ http://www.cspinet.org/ National Institutes of Health http://www.nih.gov USDA National Nutrient Database for Standard Reference - http://www.nal.usda.gov/fnic/foodcomp/search/ http://www.nal.usda.gov/fnic/foodcomp/search/
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