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 humankind beings. naked techniques and ideas have been thought up and carried out lengthways the years so that we can keep our feed let on for ampleer. Nowadays, few of the well known ways to preserve our nourishment accommodate:Refrigerating and haltDryingSmokingCanning and bottlingSaltingAll these methods are divided into two groups; somatogenic and chemical. natural preservation involves methods which result in killing hit the micro-organisms present. This excessively includes stopping their growth for huge enough to stick out the nourishment 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 dish preserve our nu trient better. A common method utilize 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 fitted forms of food preserving. Refrigerators are designed to slow down the cognitive process of bacterial activity so that our food can be kept giganticer.

Freezers however, are designed to completely or almost stop the whole cycle of bacteria activity. By freezing food, bacteria are completely inactive therefore resulting in us preserving our food for even farseeinger than normal. All food co ntains cells; and these cells have some sort! of water in them. Because food has a lot of water in it, it compresss a long time to freeze. Completely freezing food may control temperatures down to minus five degrees Celsius. If food takes a long time to freeze, some of the texture and taste of the food move on?t be... If you want to get a full essay, form it on our website: OrderCustomPaper.com

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