Class 5 Exam > Class 5 Videos > Our Wondrous World Class 5 - New NCERT > Food Preservation- Importance, Objectives, Methods
Food Preservation- Importance, Objectives, Methods Video Lecture | Our Wondrous World Class 5 - New NCERT
FAQs on Food Preservation- Importance, Objectives, Methods Video Lecture - Our Wondrous World Class 5 - New NCERT
| 1. Why is food preservation important? |  |
Ans.Food preservation is important because it helps to prevent spoilage and waste, ensuring that food remains safe to eat for longer periods. It also maintains nutritional value, flavor, and texture, allowing people to enjoy seasonal foods year-round. Additionally, food preservation contributes to food security by making it possible to store surplus food for future use.
| 2. What are the main objectives of food preservation? | |
Ans.The main objectives of food preservation include extending the shelf life of food, preventing the growth of harmful microorganisms, maintaining the quality and nutritional value of food, and reducing food waste. By achieving these objectives, food preservation supports public health and allows for better food management.
| 3. What are some common methods of food preservation? | |
Ans.Common methods of food preservation include refrigeration and freezing, canning, drying, pickling, and the use of preservatives. Each method works differently; for example, refrigeration slows down the growth of bacteria, while drying removes moisture to inhibit spoilage. These methods can be used alone or in combination to enhance food longevity.
| 4. How does drying preserve food? | |
Ans.Drying preserves food by removing moisture, which is essential for the growth of bacteria, yeast, and molds. When food is dried, its water content is reduced, making it less hospitable for these microorganisms. Additionally, dried foods can be lightweight and compact, making them easier to store and transport.
| 5. Can you explain how pickling works as a preservation method? | |
Ans.Pickling works as a preservation method by immersing food in a solution of vinegar, salt, or sugar, which creates an acidic environment that inhibits the growth of harmful bacteria. The pickling process can enhance the flavor of the food while also preserving its texture and nutrients.
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