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Wednesday, February 5, 2014

Food Preservation Methods

Food preservation is the process of treating and handling food to salutary stop or slow down Food spoilage, difference of quality, edibleness or nutritional value and thus spare for long-dated food storage. Preservation usually involves preventing the growth of bacteria, kingdom Fungi (such as yeasts), and other micro-organisms. Method | How does it work? | Example of manner: | Drying (e.g. freeze-drying, spray-drying, sun-drying) | Drying essentially dehydrates or removes the moisture from the food and this simple knock against inhibits the growth of bacteria, mould and yeast. It slows down the enzyme work without deactivating them. | Sun-Dried tomatoes Fruits(apricots, Raisins) | freeze/ refrigerate | In the case of refrigeration, the idea is to slow bacterial action to a crawl so that it takes food untold perennial (perhaps a week or two, rather than half(prenominal) a day) to spoil. In the case of freezing, the idea is to stop bacterial action altogether. Frozen bacteria are completely still. | meats harvest-feast (generally goes maudlin when frozen) vegetables beverages | Canning | In drive outning, you boil the food in the can to pop up all the bacteria and pestle the can to prevent whatever new bacteria from acquire in. Since the food in the can is completely sterile, it does not spoil. once you open the can, bacteria draw in and begin struggle the food, so you have to refrigerate the table of contents later opening. | Tinned peaches Plum Tomatoes Honey Tuna | Dehydrating | Since some bacteria die or become completely inactive when dried, dried foods kept in air-tight containers can pass past quite a long time. | powderise milk pulverize soups and sauces Pasta Instant Rice | Freeze-Drying | Freeze-drying is a special form of drying that removes all moisture and tends to have sensitive of an effec t on a foods taste than normal drying up d! oes. In freeze-drying, food is frozen and placed in a strong vacuum. The water in the food then sublimates (it turns straight...If you deprivation to get a full essay, order it on our website: OrderCustomPaper.com

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