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Canned Food

Canned Food

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What Is Canning?

Before North Americans figured out how to freeze dry (or even freeze) foods for long-term storage, there was canning. First used in the United States in 1812, canning is a method of preserving food in which the foods are processed (cooked or pickled, etc.) and then sealed in an airtight container to prevent spoilage. On a small scale, canning food allowed families to preserve seasonal foods like fruits and vegetables for use in the winter months when they couldn’t grow anything fresh. On a larger scale, canned foods provided relatively inexpensive, high-calorie foods to troops during World War I. Normal foods can be found in any grocery store, whereas specialty emergency canned food for food storage is available from specific manufacturers like Survival Cave Foods.

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