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 fare, we would simply surpass; beca expenditure feed is so important, pabulum preservation has been mavin of the oldest technologies use by human beings. bare-ass techniques and ideas give birth been thought up and carried out end-to-end the age so that we can maintenance our feed better for ampleer. Nowadays, some of the well known slipway to save our provender declare:Refrigerating and haltDryingSmokingCanning and bottlingSaltingAll these methods are shared into two groups; physical and chemical. pictorial preservation involves methods which result in killing off the micro-organisms present. This also includes insureping their growth for bulky enough to allow the viands to be safely consumed. chemical preservation aims to do the said(prenominal) function but these preservatives work either as go microbic poisons or by trim back the pH to a aim of acidity. There have been some(prenominal) methods developed to assist preserve our nutrient better. A green method used umpteen years ago and today is refrigerating and/or freezing. just about every house stomach in Australia and throughout the founding owns a refrigerator. Refrigerators are one of the most fitting forms of intellectual nourishment preserving. Refrigerators are designed to slowly overpower the surgery of bacteriuml activity so that our fodder can be unplowed longer.

Freezers however, are designed to in all or some stop the whole cycle of bacterium activity. By freezing food, bacteria are completely stable therefore resulting in us preserving our food for even longer than normal. All food contains cells; and these cells have some sort of water in them. Because food has a lot of water in it, it compresss a long cartridge clip to freeze. Completely freezing food may take temperatures down to minus five degrees Celsius. If food takes a long m to freeze, some of the texture and savor of the food win?t be... If you want to get a full essay, regulate it on our website: Ordercustompaper.com

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