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प्रश्न
Explain any four food preservation methods.
Discuss any four methods of food preservation.
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उत्तर
We can preserve the food for a long time by using the following methods.
- Pickling: Mixing fruits and vegetables with oil and salt. Example: Pickle
- Refrigerating: Keeping food in the refrigerators (fridge) to preserve them for a short time. Example: Fruits, Vegetables
- Drying: Removing the water content of the food. Example: Fish, Red chillies
- Canning: Storing food in air-tight containers. Example: Jam
संबंधित प्रश्न
Talk to the elderly people in your family to find the answers to the following questions, with reference to the foodstuffs mentioned below: Milk, vegetables, grains, flours, sugar, jaggery.
What measures are taken to keep the foodstuffs in the house in good condition, for as long as possible?
Use your brain power !
Semolina (shevaya) do not get spoiled for a very long time. But kheer made from them spoils easily. Why is this so?
Find and correct the wrong statement.
Foodstuffs get warmth when put in a fridge.
Write about any two preservation methods.
What is Irradiation?
What will happen to ‘pooris’ and ‘unused kneaded flour’ if they are left in the open for a day or two?
Observe the set-up given in figure and answer the following questions.
- What happens to the sugar solution in A?
- Which gas is released in A?
- What changes will you observe in B when the released gas passes through it?
Complete the following cycle given as figure by filling the boxes (a), (b), (c), (d).
Match the following:
| 1. | Vacuum drying | a. | Vegetables |
| 2. | Cold storage | b. | Seeds |
| 3. | Deep freezing | c. | Cheese powder |
| 4. | Canning | d. | Meat |
Why is sugar used to preserve fruits and fruit products?
