Page 95 - Arrow Publications Pvt. Ltd.

Boiling: It helps to kill the germs in it. Boiling preserves
food for a short period. We boil milk to preserve it.

Salting: We can add salt to food

items to preserve them, as in pickles.

Did You Himalayan salt is a pink-coloured salt found in Punjab
Know? region of Pakistan, near the Himalayan foothills. It
contains minerals that help control blood pressure,
improve digestion, and reduce inflammation.

Sweetening: Adding an excess amount of sugar

also acts as a preservative. By adding sugar, we

can preserve fruits in the form of jams and jellies

for a long time.

Drying: This method is used to reduce the water

content in the food. Since germs cannot grow without water, the food does

not get spoiled. Food items are sun-dried to reduce the growth of germs. Food

items, such as raw mangoes, tomatoes,

potato chips and fish are preserved by

this method.

Think & Have you ever seen people drying food in the sun? Identify some sun-dried food
Answer items. Why are these food items sun-dried?

Refrigeration or freezing: Food stored in a refrigerator

stays fresh for a few days. We freeze perishable foods such

as fruits, vegetables, meat, and fish in the refrigerator.

Germs do not grow easily in cool places.

Canning: Some food items such as juices and jams are

preserved in cans. Cans are

sealed after removing moisture

in air-tight containers.

94 94 | Arrow - EVS Plus-4