2.2 Building a Nutritious Diet http://www.designedtomove.org/en_US/?locale=en_US#/watch_video Learning Targets What does the word DIET mean? What influences the choices people make? Name the 6 types of Nutrients? DIET What do you think of when you hear the word DIET? DIET- The food and drink we regularly choose to consume. What kind of diet do you follow? FOOD FOR LIFE • NUTRITION- Eating foods the body needs to grow, develop, and work properly. • Food / Air / Water are life’s basic needs. Factors that Influence our Diet 1. Geography 5. Cost 2. Family 6. Advertising 3. Cultural Background 7. Friends 8. Personal Taste 4. Convenience SIX TYPES OF NUTRIENTS Carbohydrates/ Carbs. Proteins Vitamins Minerals Fats/ Lipids Water http://www.youtube.com/watch?v=CiOBhg xdhYo CARBOHYDRATES CARBOHYDRATES The starches and sugars that provide the body with most of its energy. Great source of fiber. 2 types of CARBS. 1. Simple 2. Complex SIMPLE CARBOHYDRATES Simple CarbohydratesSugars found in fruit COMPLEX CARBOHYDRATES Complex Carbohydrates found in starchy foods, breads, cereals, dry beans, potatoes, peas, corn and beets PROTEINS PROTEINS Needed to build, repair, and maintain body cells and tissues (particularly muscle). Secondary energy source – to carbohydrates Especially important during growth periods (childhood, adolescence, …). Meat, fish, poultry, eggs, milk, cheese, nuts, and dry beans are sources of Protein. Made up of AMINO ACIDS AMINO ACIDS 22 Amino Acids Your body can make 13 of them. The other 9 are called ESSENTIAL AMINO ACIDS, and they must come from the food you eat. Complete Proteins come from animal sources and contain all 9 essential amino acids. Incomplete Proteins come from plant sources and lack at least 1 essential amino acid. VITAMINS VITAMINS Substances needed in small quantities that help regulate body functions. 2 Groups of Vitamins Water – soluble Vitamin C & B Fat – soluble Vitamin A D E & K VITAMINS Water – soluble Can NOT be stored in the body Must be included in your diet Fat – soluble Can be stored in the body until needed. MINERALS MINERALS Elements needed in small quantities for sturdy bones and teeth, healthy blood, and regulation of daily elimination. Whole grains, fruit, peas, spinach, raisins, and milk are good sources of minerals. VITAMINS & MINERALS Vitamin A Carrots, eggs Healthy skin Vitamin C Oranges, tomatoes Milk, fish Spinach, cereal Milk, cheese Fish, water(?) Red meat, nuts Oranges, bananas Muscles, heart function well Bones, teeth Helps blood clot Bones, teeth Bones, teeth Hemoglobin in red blood cells Reg. Water balance (tiss.) Vitamin D Vitamin K Calcium Fluoride Iron Potassium FATS FATS A third source of energy and are essential for vital body functions. Insulate body Cushion organs Carry fat – soluble vitamins Promote healthy skin and normal growth SATURATED FATS Fats found in meats and dairy products Eating to much Saturated fat can raise blood cholesterol levels, increasing the risk of heart disease. Solid @ room temp. UNSATURATED FATS Found mainly in vegetable oils, such as olive, corn, or canola oil, nuts and avocados Fats that remain liquid @ room temp. WATER Most common nutrient Makes up 60% of the body WATER Carries nutrients through body Helps digestion Removes waste from body Lubricates joints Keeps body from overheating HEALTHY DIET SUMMARY Balance of nutrients Too much fat may lead to heart disease Too little protein hinders growth You need a variety of healthy foods to get all the nutrients!