It was invented by Frenchman Appel in 1809.

In 1809, Napoleon’s soldiers starved to death because they could not eat fresh vegetables, fruits and other food during the Eastern Expedition. How to do it? The French Napoleonic government used a huge bonus of 12,000 francs to solicit a way to store food for a long time.

Many people have invested in research activities in order to win prizes. Among them is Apel, a Frenchman who sells preserved food. He worked as a worker in a pickled cabbage factory, a winery, a candy store and a restaurant, and later became a chef. When he sold foods such as fruit syrup and wine, he found that some tended to go bad, while some were not easy to go bad. He also accidentally discovered that if the food sealed in a glass container is properly heated, it will not deteriorate easily. He was greatly inspired by it. Therefore, Appel responded to the government’s reward and conducted special research on food preservation methods.

After ten years of hard research, he finally succeeded. His method is: process the food, put it in a jar, place all in a boiling water pot, heat it for 30-60 minutes, stop it with a cork while it is hot, and reinforce it with a thread or seal it with wax. In this way, food can be preserved for a longer period of time without decay and deterioration. This is the prototype of modern canned food.

In this way, the earliest canned food appeared. Abel was rewarded by the French government and received a warm welcome from the seafarers.

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