Today we have many opportunities for long-term preservation of food, provided that all our devices are working properly. There are several techniques used to fresh food for a long time under normal conditions, also preserved by freezing, canning, dehydration and freeze drying.
Freezing
Archaeologists have evidence that humans began thousands of years of freezing meat displayed. Initially, it was only possible in the icy winter of temperateClimate.
Before electricity became common in homes, there was a freezer in the city and the dairy in the country. Dairies were basically underground rooms where the temperatures were colder.
Ice-box design varies, but they used large blocks of ice, milk, milk products and other foods to save from destruction. The first refrigerators were not so different from the coolers.
Freezers became popular in 1950 for several reasons. Concerns about previous wars andbad relations with foreign countries were among them, the people were motivated to have extra food on hand "just in case.
Virtually all foods can be frozen. Although the taste may be adversely affected in some cases, the food is safe to eat for months. It is a common practice among hunters with the game in the freezer during the hunting season to save and use it throughout the year.
Conservation
Canning has been popular for long-term preservation of the foodInvention of the pressure cooker. Hot baths can be provided without a pressure cooker, but the doses are less likely to hold.
Canning is typical of fruit, vegetables, soups and sauces. Food can be like they would if they were to eat that day. beans and other vegetables will cook in the oven under pressure.
The foods are arranged in vases. The covers are used to seal the jars are special. YouA rubber gasket around the edge. A metal ring that holds it in place, to seal the reason for the drop in temperature, a vacuum.
Preserves are ideal for long term storage of food, because there is no need for refrigeration. Foods to keep for years, not months. If the window is open, ready to eat.
Drainage
to make them dry food is not a new idea. The local population to make the strips of meat dried in the sun or open fire abruptly. Devicesto prepare food at home is relatively new.
aid drainage devices are easy to use and affordable. Most include instructions or recipes for a variety of food dehydration. Fruits, vegetables, herbs and meat can all be ready for future use, if you have a good dehydrator.
Freeze-dried food purchases
Instead of trying to prepare food for the long-term home, you can buy freeze-dried products. It makes no sense, Freeze dry foodthe necessary equipment is large and expensive.
Freeze-dried foods have an almost unlimited life. The package should show the maturity or expiration date. The food is not bad after that date, but the flavor may be compromised.
Freeze-dried foods are popular for long-term preservation of food, because they occupy less space and do not require refrigeration. You can keep in the pantry with canned food for emergencies, and are also a good choice for hiking and campingThrough, their light weight.
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