服务承诺
资金托管
原创保证
实力保障
24小时客服
使命必达
51Due提供Essay,Paper,Report,Assignment等学科作业的代写与辅导,同时涵盖Personal Statement,转学申请等留学文书代写。
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标私人订制你的未来职场 世界名企,高端行业岗位等 在新的起点上实现更高水平的发展
积累工作经验
多元化文化交流
专业实操技能
建立人际资源圈Food_Processing_And_Preservation
2013-11-13 来源: 类别: 更多范文
Food Processing And Preservation
Throughout the history of mankind science has searched into the realms of the unknown. Along with it bringing new discoveries, allowing for our lives to become healthier, more efficient, safer, and at the same time, possibly more dangerous. Among the forces driving scientists into these many experiments, is the desire to preserve the one fuel that keeps our lives going; FOOD.
As early as the beginning of the 19th century, major breakthroughs in food preservation had begun. Soldiers and seamen, fighting in Napoleons army were living off of salt-preserved meats. These poorly cured foods provided minimal nutritional value, and frequent outbreaks of scurvy were developing. It was Napoleon who began the search for a better mechanism of food preservation, and it was he who offered 12,000-franc pieces to the person who devised a safe and dependable food-preservation process.
The winner was a French chemist named Nicolas Appert. He observed that food heated in sealed containers was preserved as long as the container remained unopened or the seal did not leak. This became the turning point in food preservation history. Fifty years following the discovery by Nicolas Appert, another breakthrough had developed. Another Frenchman, named Louis Pasteur, noted the relationship between microorganisms and
food, foods, preservation, frozen, water, vegetables, process, microorganisms, product, bacteria, fruits, freezing, dehydration, meat, canning, time, preserve, high, called, method, fish, containers, cans, before, after, spoilage, produce, processed, preserved, new, must, methods, made, kilograms, irradiation, industry, ice, however, heat, fresh, flavor, drying, dried, been, because, another, years, world, united, techniques, stored

