scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 497
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 prize when he made a sealed glass container He realized that once food was away from air it would keep it from spoiling Apperts process of heating pre-cooked food in a container and sealing it tightly killed all the bacteria in the food and kept out air Food treated this way will keep for years and will be ready to eat when opened A more modern way of canning is the tin canister or now known as the can The tin can makes preserving food simpler 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 There are only two universally accepted methods for home canning boiling-water bath and pressure canning In both of these a canning jar and airtight seal are needed During process ing the food and jars reach 212 F to 240 F Air remaining in the food and in the space at the top of the jar is forced out between the jar and lid As the jars cool they automatically form a tight seal As the food
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA