NUTRITION – MACRONUTRIENTS & MICRONUTRIENTS Topic 1 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. What is Nutrition? Nutrition is the process by which humans take in and use food in their bodies EAT Play/Work Sleep 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! 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 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 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 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 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 Fiber Soluble fiber (functions) Lowers blood cholesterol; delays glucose absorption Insoluble fiber (functions) Accelerates intestinal transit time; adds bulk How Many Macronutrients are in My Food? READ LABELS Calorie King (book or website) www.nutritiondata.com www.mypyramid.gov www.nal.usda.gov/fnic/foodcomp/ search/ 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) Water Soluble Vitamins Fat Soluble Vitamins 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 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 Techniques to use in the Real World Plate Method ½ of plate of foods with carbohydrate Rice, ¼ breads, pasta, fruits, vegetables etc of plate of foods with protein Salmon, ¼ beans etc of plate or less of foods with fat Dressings, sauces etc Discussion Can I still eat CAKE? What about…? Do I have to eat broccoli?? Reference Materials Mayo Clinic - http://www.mayoclinic.com/ American Dietetic Association – http://www.eatright.org/ MyPyramid - http://www.mypyramid.gov/ American Heart Association http://www.heart.org/HEARTORG/ American Diabetes Association - http://www.diabetes.org/ Center for Science in the Public Interest 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/