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How Canning Actually Works
- Canning preserves food by heating a sealed container to create a vacuum that inhibits bacterial growth.
- Nicolas Appert standardized this method drawing on household preservation techniques before germ theory existed.
Napoleon's Challenge Sparked Canning
- Nicolas Appert developed his method in response to Napoleon's call to better feed the army.
- Appert drew on his confectionery background and communal household knowledge to create 'Appertising.'
Standardized Cans Enabled Scale
- The sanitary can innovation mechanized standardized lids and seals, reducing spoilage and cost.
- Standardized cans enabled mass production, stacking, and wider distribution of canned goods.