Class 4 EVS Chapter 4- Food- Preparation and Preservation @worldofworksh...


Food Preparation and Preservation

Food Preparation

Food preparation involves various processes that help us turn raw ingredients into delicious meals. Here are some common methods of food preparation:

  1. Washing: Before cooking, we wash vegetables, fruits, grains, and other ingredients to remove dirt and germs.

  2. Cutting and Chopping: We cut and chop ingredients into smaller pieces. This helps in cooking them evenly and makes them easier to eat.

  3. Cooking: Cooking is the process of applying heat to food. It makes the food soft, tasty, and safe to eat. There are different methods of cooking, such as boiling, frying, steaming, baking, and grilling.

  4. Mixing and Blending: Sometimes, we mix or blend ingredients together, like in making smoothies or batters.

  5. Seasoning: Adding spices, salt, and herbs to food enhances its flavor and makes it more delicious.

Food Preservation

Food preservation is the process of treating food to prevent it from spoiling. It helps to keep food fresh for a longer time. Here are some common methods of food preservation:

  1. Refrigeration: Keeping food in the fridge slows down the growth of bacteria and keeps it fresh for a few days.

  2. Freezing: Freezing food stops bacteria from growing, preserving the food for weeks or even months.

  3. Drying: Removing water from food, like fruits, vegetables, or meat, prevents the growth of bacteria. Dried foods can be stored for a long time.

  4. Canning: In this method, food is cooked and sealed in airtight containers. This prevents bacteria from spoiling the food.

  5. Pickling: Pickling involves preserving food in vinegar, oil, or brine. It adds a sour or spicy taste and helps keep the food fresh.

  6. Salting: Adding salt to food, like fish or meat, removes moisture and prevents bacteria from growing.

  7. Jamming: Making jams involves cooking fruits with sugar. The sugar helps preserve the fruit and keeps it fresh for months.

Importance of Food Preservation

  • Prevents Wastage: Preserving food helps prevent wastage by keeping it edible for longer.
  • Saves Money: Preserved food can be stored and used later, saving money by reducing the need to buy fresh food frequently.
  • Ensures Food Availability: Food preservation ensures that seasonal foods are available all year round.

Tips for Safe Food Preparation and Preservation

  • Always wash your hands before handling food.
  • Keep your kitchen clean.
  • Store food properly in airtight containers.
  • Check the expiry date of preserved foods before consuming.

By following these methods of food preparation and preservation, we can enjoy healthy and tasty food while also ensuring it remains fresh and safe to eat for a longer time.

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