Class IV Food- Basic Need


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Class IV Food- Basic Need,

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Class IV Food- Basic Need

  1. 1. FOOD-Our Basic Need
  2. 2. Nutrients present in the Food  All living beings need food.  Food gives us energy for doing activities and help us to grow.  Nutrients are substances in our food that are required by our body to keep it healthy and grow strong.  Food items mainly contain five types of nutrients .They are 1. Starch or Carbohydrates 2. Fats 3. Proteins 4. Vitamins 5. Minerals
  3. 3. Carbohydrates  Food items like fruits, vegetables, cereals and bread gives us a lot of energy. They contain carbohydrates.  Food items rich in carbohydrates are called energy- giving foods  Potatoes,Bananas,Yam etc. contain a lot of starch.  Jaggery, sugar, honey, dates contain carbohydrates that are sweet. Form of food Available in Time required to give energy Sugar Sugar, Jaggery, Fruits Immediately Starch materials Rice,Bread,Potatoes Retain energy for some hours
  4. 4. Fats  Food items like oil,nut,ghee and butter gives us more energy than food items rich in carbohydrates. These food items contain fats.  Fats give energy and heat to our body.  Our body need very little fat and extra fat is stored in body for later use.
  5. 5. Proteins  Proteins are body building substances.  They are needed by our body for building muscles, growth and repair. Food item rich in proteins 1 Milk, cheese, pulses, black gram, yellow gram ,Soya 2 Egg, Fish, meat
  6. 6. Vitamins & Minerals  Vitamins and Minerals protect us from diseases and keep us fit and healthy. They are called protective foods.  Food items like fresh fruits and vegetables, milk, egg and peanuts are rich in vitamins and minerals.  Shortage of vitamins will reduce resistance power of our body.
  7. 7. Vitamins & Minerals Mineral Function Food items Iron Helps in formation of blood Leafy vegetables, jaggery ragi, beetroot, apple and carrot . Calcium Helps in formation of bones and teeth Milk, curd, almond and cheese. • Calcium,iron,potassium,iodine and sodium are examples of minerals.
  8. 8. Roughage and water  Food items like cereals, fresh vegetables , fruits and salads cannot be digested by the body.  The part of the plant food that cannot be digested is called roughage. It helps to remove waste materials from our body.  Water is necessary for proper digestion, for eliminating waste material from our body and for proper utilisation of the nutrients.  Our body contains 2/3 of water.  Our body needs at least three litres of water every day.
  9. 9. Balanced Diet  A diet that has all the nutrients in the right amount, roughage and water is called balanced diet.
  10. 10. Preservation of food Preservation of food is a method to prevent food from getting spoilt.  Drying : Removing water content of food. Drying gapes to get raisins.  Pickling : Mixing fruits and vegetables with salt and oil. Ex. Mixing mango, lime with oil and salt.  Refrigeration : Keeping food in fridge to preserve for short time.  Deep Freezing : Keep food in freezer to preserve for longer time. Ex. Keeping meat and fish in freezer.  Canning and bottling : Storing food in cans and bottle. Ex. Bottling of sauces and jams.
  11. 11. Rest, Posture and exercise  Our body need rest for proper functioning. We need 6- 8 hours of sleep in a day.  Posture refers to body position. Incorrect postures over a long period of time can lead to pain in joints and muscles.