Components of Food and Tests for Nutrients
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Questions and Answers

What are the major nutrients found in our food?

carbohydrates, proteins, fats, vitamins, minerals

What nutrients mainly provide energy to our body?

carbohydrates and fats

What are the major nutrients in our food?

Carbohydrates, proteins, fats, vitamins, and minerals.

Which nutrients provide energy to our body?

<p>Carbohydrates</p> Signup and view all the answers

A violet color appearing after adding iodine solution to a food item indicates the presence of ____________.

<p>starch</p> Signup and view all the answers

Proteins are mainly responsible for providing energy to our body.

<p>False</p> Signup and view all the answers

Name two foods rich in fats.

<p>Avocado, nuts</p> Signup and view all the answers

Name two foods rich in starch.

<p>Potatoes, rice</p> Signup and view all the answers

Name two foods rich in dietary fibre.

<p>Beans, whole grains</p> Signup and view all the answers

Name two foods rich in protein.

<p>Chicken, lentils</p> Signup and view all the answers

Tick the statements that are correct.

<p>Deficiency diseases can be prevented by eating a balanced diet.</p> Signup and view all the answers

Night blindness is caused due to deficiency of ____________ in our food.

<p>Vitamin A</p> Signup and view all the answers

______________ is caused by deficiency of Vitamin D.

<p>Rickets</p> Signup and view all the answers

Deficiency of ______________ causes a disease known as beri-beri.

<p>Thiamine</p> Signup and view all the answers

Deficiency of Vitamin C causes a disease known as ______________.

<p>Scurvy</p> Signup and view all the answers

Prepare a diet chart to provide balanced diet to a twelve year old child.

<p>Include a variety of foods like fruits, vegetables, whole grains, lean protein sources, and dairy.</p> Signup and view all the answers

Study Notes

Components of Food

  • Food items contain nutrients like carbohydrates, proteins, fats, vitamins, and minerals
  • Nutrients are needed by our body for growth, repair, and maintenance of health
  • Carbohydrates, proteins, and fats are the major nutrients in our food
  • Dietary fibers and water are also essential components of our food

Tests for Nutrients

  • Starch can be tested using iodine solution
  • Proteins can be tested using copper sulfate solution and caustic soda
  • Fats can be tested by rubbing a small quantity of food on paper and observing for oily patches
  • These tests can be conducted on cooked food items as well as raw materials

Functions of Nutrients

  • Carbohydrates provide energy to our body
  • Proteins are needed for growth and repair of our body
  • Fats provide energy and are essential for our body
  • Vitamins and minerals are needed in small quantities for proper growth and maintenance of our body
  • Dietary fibers add bulk to our food and help get rid of undigested food
  • Water helps our body to absorb nutrients from food and throw out waste

Balanced Diet

  • A balanced diet should have all the nutrients in the right quantities
  • It should include a good amount of roughage and water
  • Eating a balanced diet is essential for growth and maintenance of good health
  • A balanced diet should be cooked properly to preserve nutrients
  • Overcooking or repeated washing of food can result in loss of nutrients

Deficiency Diseases

  • Deficiency of one or more nutrients can cause diseases or disorders in our body

  • Deficiency diseases occur due to lack of nutrients over a long period of time

  • Examples of deficiency diseases include stunted growth, swelling of face, discolouration of hair and skin, and diarrhoea due to lack of proteins

  • A diet deficient in both carbohydrates and proteins can lead to complete stoppage of growth and weakness.### Nutrients and Deficiency Diseases

  • Deficiency of vitamins and minerals can result in various diseases or disorders, which can be prevented by consuming a balanced diet.

Vitamins and Minerals

  • Vitamin A: deficiency can cause loss of vision, night blindness, and complete loss of vision; fortified foods can help prevent deficiency.
  • Vitamin B1 (Thiamine): deficiency can cause Beriberi, characterized by weak muscles and little energy.
  • Vitamin C: deficiency can cause Scurvy, characterized by bleeding gums and wounds that take longer to heal.
  • Vitamin D: deficiency can cause Rickets, characterized by soft and bent bones.
  • Calcium: deficiency can cause bone and tooth decay, with symptoms including weak bones and tooth decay.
  • Iodine: deficiency can cause Goiter, characterized by swollen glands in the neck and mental disability in children.
  • Iron: deficiency can cause Anaemia, characterized by weakness.

Components of Food

  • Major nutrients in food: carbohydrates, proteins, fats, vitamins, and minerals.
  • Dietary fibres and water are also essential components of food.
  • Carbohydrates and fats provide energy to the body.
  • Proteins and minerals are necessary for growth and maintenance of the body.
  • Vitamins help protect the body against diseases.
  • Balanced diet provides all necessary nutrients in the right quantities, along with adequate roughage and water.

Balanced Diet

  • A balanced diet can prevent deficiency diseases and disorders.
  • Eating a variety of food items is necessary for a balanced diet.
  • No single food item can provide all the necessary nutrients for the body.

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Components of Food PDF

Description

Learn about the essential nutrients present in food, their importance for our body, and the methods to test for their presence.

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