Food and body nutrition

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Nutrients needed by the body for growth and development

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Food and body nutrition

  1. 1. FOOD AND BODY NUTRITION Prepared by: MARICARR D. ALEGRE
  2. 2. FOOD• Any substance which, when absorbed into your body tissues, yields materials for the production of energy• Also provides materials for growth, maintenance and repair of body tissues
  3. 3. NUTRITION• Process by which organisms obtain and use food• Nutrients – chemicals in the food ingested in order to grow and remain healthy Major Groups 1. Those that give energy 2. Those that do not give energy
  4. 4. CALORIE• Unit of energy• Amount of energy needed to raise the temperature of 1 gram of water to 1 degree Celcius
  5. 5. NUTRIENTS FOR ENERGY
  6. 6. CARBOHYDRATES• Food nutrients needed mainly to supply energy• It enters the body in the form of sugar• It usually presents in food such as rice, bread, root crops, dairy products and sweets such as candies and chocolates
  7. 7. FOODS RICH INCARBOHYDRATES
  8. 8. FATS• They provide energy to the body like carbohydrates. The only difference is that it provides more energy than carbohydrates• It is also a very important structure of the cell membrane(phospholipid bilayer)• It is also used in the conduction of nerve impulses
  9. 9. FOODS RICH IN FATS
  10. 10. PROTEINS• Helps in muscle build-up• It also help in growth and repairing of the body cells• It must be broken down first into amino acids to be absorbed and used by the body
  11. 11. FOODS RICH IN PROTEIN
  12. 12. NON-ENERGY NUTRIENTS
  13. 13. WATER• It regulates the concentration of minerals• It is a means by which food and other substances are carried to the cell• Helps in the removal of substances in the kidney• important in regulating the body temperature• Drinking reasonable amount of water retard the growth of bacteria and lessen the extent of putrefaction in the intestine
  14. 14. MINERALSMineral Function Source Calcium Tooth and bone Milk and other dairy products, formation,nerve transmission, bean curd, dark green muscle contraction vegetablesPhosphorus Bone development, transfer of Most foods energy in cells Sodium Nerve transmission, muscle Meat. Dairy products, salt contraction Chlorine Formation of hydrochloric acid SaltPotassium Regulation of heartbeat, Fruits (especially bananas) maintenance of water balance, nerve transmissionMagnesium Catalyst for ATP formation Nuts, grains, dark green vegetables, sea food, chocolate Iodine Thyroid activity Seafood, iodized salt Iron Hemoglobin formation Meat, dark green vegetables, dried fruits
  15. 15. MINERALS RICH FOOD
  16. 16. VITAMINS• Organic substances that is present in very small amounts of food• Help normalized growth and different body activities• Deficiency diseases occur when vitamins are missing from your diet• 2 groups 1. Water soluble such as Vit C and B 2. Fat soluble such as Vit A,D,E and K`
  17. 17. VITAMINSVitamin Role in the Body Signs of Food Sources DeficiencyB1 (thiamine) Carbohydrates Retarded growth, Seafood, poultry, metabolism, growth, beriberi, nerve meat, whole or heart muscle and disorders, fatigue enriched grain, green nerve function vegetables, milk, soybeanB2 (riboflavin) Carbohydrate Retarded growth, Milk, eggs, poultry, metabolism, growth premature aging yeast, meat, soybeans, green vegetablesNiacin Growth, Digestive and Leafy vegetables, carbohydrate nervous disturbances peanut butter, metabolism, potatoes, whole or digestion, nerve enriched grain, fish, function poultry, meat, tomatoesB12 Production of red anemia liver blood cells, nerve function
  18. 18. VITAMINS Vitamin Role in the Body Signs of Food Sources DeficiencyC (Ascorbic acid) Growth, healthy gums, Sore gums, Citrus fruits, tomatoes, anti-stress susceptibility to leafy vegetables bruising A Growth, healthy skin Night blindness, Egg yolks, butter, and eyes changes in epithelial green and yellow cells, retarded growth vegetables, organ meat, fish, liver oils D Growth, phosphate Poor tooth Milk, liver, eggs, fish, and calcium development, rickets liver oils metabolism E (tocopherol) Protection of cell Unknown Vegetable oils, butter, membranes, milk, leafy vegetables reproductive function K Blood clotting, liver Hemorrhage Green vegetables, function tomatoes, soybean oil

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