preservation of food

Since the beginning of time, people have looked for ways to preserve food for future use. There are no records around telling when the first preservation method was discovered or used. Perhaps people noticed that a fire dried food and that the smoke preserved it. Or maybe hungry hunters ate dried berries on a bush and realized that they liked the taste. By chance, people could have left food in the snow and once retrieved, found that the frozen food lasted longer than the fresh. In these ways, people might have learned how to protect foods against the effects of time.

Out of all the methods of preservation canning is the one that is still used most often. The method started when Nicholas Appert, a French Candy maker won a priz

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The tin can makes preserving food simpler. As the food cools, it contracts, creating a vacuum. The root cellar, which is excellent for this purpose is still used today.

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. Many have doors swinging open from the top but more modern ones are only covered on 3 sides by the earth. Even though root cellars didn't get nearly as cold as a refrigerator during summer months, root cellars generally were and are 30 to 40 degrees F. Most root cellars are 8 ft tall and 10 ft wide. With proper storage, the seal will remain tight. A hundred years ago root cellars were one of the few ways they had of keeping things cool. He realized that once food was away from air it would keep it from spoiling. The lid is sucked down tight preventing air from passing in or out of the jar. In both of these a canning jar and airtight seal are needed. There is no need for pickling, salting, drying or smoking the food. Although this method is usually used in the manufacturing of sellable foods, home methods are still used today.

Approximate Word count = 497
Approximate Pages = 2 (250 words per page double spaced)

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Essay's Topics

French Candy

root cellars

food kept