Biotechnology Throughout History - Food Preservation Research one type of biotechnology and give a detailed report on two types commonly used today.

Food is the key to our survival. Without pabulum, we would simply die; because feed is so important, pabulum preservation has been one of the oldest technologies use by piece beings. naked techniques and ideas have been thought up and carried out passim the years so that we can keep our feed break for ampleer. Nowadays, few of the well known ways to preserve our fodder accommodate:Refrigerating and haltDryingSmokingCanning and bottlingSaltingAll these methods are divided into two groups; somatogenetic and chemical. natural preservation involves methods which result in killing morose the micro-organisms present. This excessively includes stopping their growth for huge enough to concede the sustenance to be safely consumed. Chemical preservation aims to do the said(prenominal) thing but these preservatives work either as go microbial poisons or by reducing the pH to a level of acidity. There have been many methods developed to function preserve our nutriment better. A common method employ many years ago and today is refrigerating and/or freezing. Almost every house hold in Australia and end-to-end the world owns a refrigerator. Refrigerators are one of the most accommodate forms of food preserving. Refrigerators are designed to slow down the operation of bacterial activity so that our food can be kept hugeer.

Freezers however, are designed to completely or several(prenominal) stop the whole cycle of bacteria activity. By freezing food, bacteria are completely inactive therefore resulting in us preserving our food for even considerableer than normal. All food c ontains cells; and these cells have some sor! t of water in them. Because food has a lot of water in it, it compresss a long time to freeze. Completely freezing food may dish out temperatures down to minus five degrees Celsius. If food takes a long time to freeze, some of the texture and taste of the food attract?t be... If you want to get a full essay, specify it on our website: OrderCustomPaper.com

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