Sources and Storage of Food - Orchids The International School
Job Alert : To view our Careers Page Click Here X (+91) 8-888-888-999
ORCHIDS The International School


Concept: Sources and Storage of Food

Anything which gives us energy to do work is called food. There are two main


1. Food from plants:

  1. Fruits:
  2. Vegetables:
  3. Grains:
  4. Oil:
    • Oil is obtained by pressing the plant seeds.
    • Examples:

      • Mustard oil is obtained from mustard seeds.
      • Groundnut oil from groundnut seeds.
      • Castor oil from castor seeds.
    • Other seeds that are used to obtain oil are olive, almond, sunflower, coconut, etc.

i) Edible parts of plants:

a) Edible leaves:


b) Edible stem:


c) Edible flower:


d) Edible root:


e) Edible seeds:

  • All pulses we eat are seeds.
  • Examples:Moong, gram, rajma, etc.

f) Edible fruits:

  • The fruits we get from plants like orange, mango, guava, and grapes are all edible.
  • Moreover, vegetables like tomato, brinjal, ladyfinger, beans, etc. are born as fruits of their respective plants.

ii) Processed food from plants:

  • The food we get from the plant is consumed directly or converted into different food items before consumption.
  • Such food is called processed food.


  • Bread is made with wheat.
  • Idli is made with rice.
  • Potato chips are made using potatoes.
  • Fruit juices are made using fruit pulp.
  • Jams and jellies are made with fruit pulp mixed with sugar.

2. Food from animals:


i) Processed foods from animals:


3. Storage of food:

  • It is necessary to store food properly.
  • Improper food storage may lead to the attack of germs, which makes the food unsuitable for eating.
  • Different methods are used for storing different food items. Some of them are mentioned below—

a) Freezing:

  • Storing food items in very cold conditions in a refrigerator is called freezing.
  • Food items like fruits, vegetables, raw meat, raw fish, etc., can be preserved by freezing.

b) Drying:

  • Drying stands for the removal of water from the food item for its storage.
  • Pulses, rice, wheat, chips, fish, etc., are preserved by this method.

c) Canning:

  • Canning stands for the packing of food items in an airtight container for its storage.
  • All processed food items are stored using this method.

d) Salting

  • Salt does not allow germs to grow on the food items and is used for storing them.
  • Fish, raw vegetables, and pickles are preserved by salting.

e) Adding oil and vinegar :

  • Oil and vinegar keep the food items fresh and unaffected by germs
  • They are used for making pickles that can be consumed for many days.

New Words:

Edible: Anything which is suitable for eating

Energy: The capacity to do work.

Did You Know?

  • Bread slices can be kept fresh for a long time by keeping them in a tightly closed packet outside the refrigerator.
  • People used to dry food items by keeping them in sunlight in ancient days, but at present, food can be dried in minutes using modern equipment like a microwave.
  • The part of broccoli we eat is the flowers that haven’t opened.
  • -

    Admission Enquiry

    A Journey To A Better Future Begins With Us

    Get 100% Off On Admission Fee Now