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प्रश्न
State the principles of food preservation.
Explain the principles of food preservation.
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उत्तर
- 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.
संबंधित प्रश्न
Rohan’s dad has made apple jam. Which of the following must have been added to preserve it for a longer time?
Assertion (A): Evaporating moisture from food stuff prevents growth of microorganisms.
Reason (R): Most microorganisms cannot grow without water.
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.
Action of food enzymes are the major causes of ______.
The shelf life of food products is affected due to the factors ______.
Identify the picture.
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Name the type method of preservation technique by observing the picture.
Select the odd one.
Oil is a natural preservative because
- Delay moulding
- Increase oxidation
- Delay deterioration
- Isolates food from air
Why do fruits and vegetables become limp and soggy after freezing?
Describe the method of preserving foods by canning.
What is the need for preserving food items?

