Food Preservation
Ways to keep food from spoiling so it can be eaten later.
What is it?
Food preservation includes methods like salting, drying, canning, and freezing. Salt has been used for thousands of years to preserve meat and fish. It draws out moisture, which stops bacteria from growing. Pepper and other spices also help preserve food because they have natural chemicals that kill germs.
Why it matters
Before refrigerators, people needed ways to keep food for winter or long journeys. Preservation allowed people to store food and trade it. It also made it possible to explore new places without starving.
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