The invention of canning.

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definition
  • Canning is a food preservation method in which the contents are processed and sealed in an airtight container.
invention
  • In 1809, the French confectioner and brewer Nicolas Appert invented a method of food preservation where he canned foods in glass jars and sealed them with cork or wax.
  • Here is a photograph of Appert’s canning jar:

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inventor
  • Here is a portrait of Nicolas Appert:

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