1 / 19

LESSON 31

LESSON 31. SELECTING FOODS THAT CONTAINS NUTRIENTS. Nutrition – study of what people eat & how affects health status Nutrient – substance in food that helps with body processes, growth & repairing of cells, & provides energy. Calorie – unit of energy produced by food & used by the body

walden
Download Presentation

LESSON 31

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. LESSON 31 SELECTING FOODS THAT CONTAINS NUTRIENTS

  2. Nutrition – study of what people eat & how affects health status • Nutrient – substance in food that helps with body processes, growth & repairing of cells, & provides energy. • Calorie – unit of energy produced by food & used by the body • 6 classes of nutrients: proteins, water carbohydrates, fats, vitamins, & minerals.

  3. PROTEINS • Needed for growth, build, repair & maintain body tissues, regulate body processes, and supply energy • Helps body maintain strength and resist infections • Not enough protein = stunts growth, affects mental development & tissue development. • Excess stored as fat or burned as energy

  4. Meat Fish Nuts Eggs Yogurt 4 calories per gram Milk Seeds Grains Beans Proteins

  5. Complete protein – protein containing all essential amino acids (20 are needed & body produces 11) • Amino acids – building blocks that make up proteins • Essential amino acids – 9 amino acids your body can’t produce so you get these through food you eat • Incomplete protein – doesn’t contain all essential amino acids

  6. CARBOHYDRATES • Main source of energy for the body • Sugars, starches & fiber • Excess is stored as fat • 4 calories per gram of food.

  7. Vegetables Beans Potatoes Pasta Breads Rice Bran Popcorn Fruit Sugars Honey Cakes, candies Drinks

  8. Simple carbohydrates: sugars that enter blood rapidly & gives quick energy • Complex carbohydrates: starches and fiber • Starch – made & stored in most plants, long lasting energy • Fiber – grains & plant foods that can’t be digested (roughage)

  9. Eating foods with fiber reduces cholesterol and risk of developing heart disease. • Wheat, bran, cereals, fruit, & vegetables

  10. FATS • Provides energy & helps the body store & use vitamins. • 1 gram of fat is 9 calories • Fat-soluble vitamin – vitamin that dissolves in fat & is stored in the body • Vit. A, D, E, K • Body needs fats to maintain body heat, store & use vitamins, build brain cells and nerve tissues

  11. Saturated fat – from diary products, solid vegetable fat, meat & poultry. • Solid at room temperature • Cholesterol – fat substance made by body & found in foods • Unsaturated fat – from plants & fish. • Liquid at room temperature • Polyunsaturated – sunflower, corn • Monounsaturated – olive & canola oil

  12. Visible fat – fat seen when looking at foods • Meats • Potato chip - grease • Invisible fat – fat you can not see when looking at food. • Example – cake that contains shortening

  13. VITAMINS • Nutrient that helps the body use carbohydrates, proteins & fats • 2 types: • Fat-soluble:vitamin dissolves in fat & stored in the body. Vit. A,D,E, & K • Water-soluble:dissolves in water & excess can’t be stored in the body. Vit. B complex & Vit. C

  14. A – eyes, skin, hair, teeth & gums healthy. From milk, cheese, egg yolk, green & yellow vegetables, fruits • D – formation of bones & teeth. From diary products, fish, tuna, egg yolk • K – helps with blood clotting. From leafy green vegetable, liver, cheese, pork • C – heart, cells & muscles function. From citrus fruits, green vegetables, potatoes, tomatoes, cantaloupe

  15. E – form and maintain cells. From green vegetables, whole grain cereals and breads, nuts.

  16. MINERALS • Nutrients that regulates many chemical reactions in the body. • 2 types: • Macro minerals – larger amounts are needed • Trace minerals – small amounts are needed

  17. Calcium – builds bones & teeth • Magnesium – to help with chemical reactions during metabolism • Potassium – keeps fluid balanced within cells. • Copper – red blood cells • Iron – red blood cells • Zinc – digestion & healing of wounds

  18. WATER • Involved with all body processes, makes up basic part of blood, helps with waste removal, regulates body temperature, cushions spinal cord & joints • Dehydration – water content of body is low. Lack of water intake, dry & hot temp. fever, vomiting or diarrhea.

  19. Need 6-8 glasses of water a day. • Water found in juice, milk, soup, fruits and vegetables • Don’t substitute soda for water. They contain caffeine which acts like a diuretic ( increases urine output) • Signs of dehydration: dizziness, fatigue, weakness, dry mouth, headache, blurred vision, dry, hot skin

More Related