Advertisements
Advertisements
Questions
State the principles of food preservation.
Explain the principles of food preservation.
Advertisements
Solution
- Reducing moisture content to prevent spoilage.
- Creating acidic environments using vinegar or fermentation.
- Isolating food from the air using packaging or sealing techniques.
- Inhibiting microbial growth through methods like drying, salting, or refrigeration.
- Adding preservatives to extend shelf life and prevent spoilage.
- Heat treatment, like pasteurisation, can be used to kill harmful organisms.
RELATED QUESTIONS
Name two important chemical preservatives permitted and popularly used in the preservation industry.
How does pickling help to preserve fruits, vegetables and meat?
Tom watched his uncle preparing mango pickle. He noticed that he had put a lot of salt and spices into the vessel while cooking it. State any five ways in which these ingredients play a role in the preparation of the pickle.
Assertion [A]: Green leafy vegetables kept in the refrigerator go limp and soggy.
Reason [R]: All green leafy vegetables are rich in high content of water.
State True or False:
Sugar acts as a preservative by enabling the process of osmosis.
Identify the picture.
![]() |
Name the type method of preservation technique by observing the picture.
Mention two precautions to be taken while refrigerating food at home.
Name two important cherical preservatives used for food preservation.
Describe the method of preserving foods by canning.
How does sugar help in food preservation? Give any two examples of food items preserved by this method.

