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很久以前，制冷就成为现代生活中的重要组成部分,人们不得不寻找保持肉类鲜嫩的保存方法，最早期社会的猎人依赖于野生动物、食物、衣服、工具的可用性。随着人类社会发展相应出现的狩猎技术提高了捕获大型动物的效率，使大型动物数量降低,保存肉类的知识和技术形成了很长一段时间。早期文明一直在尝试，但是一直没有取得成功，直到粮食产品的生产和保存的效率得到提高，才取得了一定的成效。

在古代社会，有这样几个例子，使早期人类学会了如何保存肉类和其他食品，使他们能够弘扬早期文明的复杂形式。第一个进入脑海中的肉类保存的著名的例子就是古代帆船上的咸肉和咸牛肉保存，由于古帆船的航行范围大，可以扩展到海外很遥远的地方，因此肉类保存就显得尤为重要。历史还告诉我们,在美国内战期间，咸肉是非常重要的。咸肉是南方联盟军队和联邦军队的主要食物。咸牛肉没有因为味道和咸肉一样而受到欢迎,因为它不能在一定可用的条件下保留尽可能长的时间。有一段时期，人类酷爱培根，实际上，这些培根就是咸肉切成的。

Long before refrigeration was became such an important part of modern life, people had to find ways to preserve meat for survival. Most early hunter/gatherer societies were dependent on the availability of wild animals for food, clothing, and tools. As human beings developed the technology to increase efficiency in hunting and bringing down large animals, the knowledge and technology to safely preserve meat for long periods of time was also developed. Early attempts at civilization could not have been successful until improved efficiency in food production and preservation was developed.

There are several examples of ancient societies that learned how to preserve meat and other food items enabling them to develop and expand complex forms of civilization. The first well known example of meat preservation that comes to mind is salt pork and salt beef being used on ancient sailing vessels to extend the range ships could sail out to sea. History also informs us that salt pork was very important in the American Civil War. Salt pork was the primary food of both the Federal Army the Confederate Army. Salt beef was not as popular as salt pork because of taste, and because it did not remain in a usable condition as long. There are many references to bacon being available in those days, but in reality what the old timers called bacon was sliced salt pork.

Historically, the value of salt cannot be overstated. Our bodies need a certain amount of salt everyday for us to survive. Besides deposits of salt that can be found in nature, salt can be obtained by heating and evaporating water in a pan. If a large enough deposit can be found, salt can be mined, or pumped out of wells dug or drilled into salt deposits. Early man found that by soaking his food supplies in salt the food would be preserved, and be useful for a long period of time. This discovery made salt a very valuable commodity that could be traded for other commodities that people needed. By using salt, foods like beef, pork, fish, butter, and many others could be harvested and preserved for consumption when supplies of fresh food were not available.

Long before the European entrance into the New World Native American people were preserving meat in several different ways. The availability of game animals and fish in different parts of the continent dictated what these people were able to kill and preserve. Where fish were available, smoked fish was very important. Large fish like salmon would be attached to pieces of wood and placed over a fire absorbing the smoke into the meat. Native American people made jerky out of many different game animals and fish. The meat would be cut into strips and covered with salt and set out to dry. The most interesting method for preserving meat was a food that was c本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。