Food Preservation

Some time ago we talked about the importance of food hygiene. By then we saw that this was based on proper preservation and preparation of meals. This time we will focus specifically on the first aspect, the conservation of food.
Food preservation has been practiced for hundreds of years. Its main objective is to extend its useful life, avoiding the presence of unwanted organisms and maintaining (as much as possible) their nutritional value.
There are a variety of ways to preserve food. The cooling, for example, is one of them. Some foods are kept well in our refrigerator while others require more cooling. To this the Conservatives in the freezer.
The methods for preserving foods include vacuums, canning and bottling (the latter are especially useful for saving preserves, jams and jellies). In turn, carefully wrap the food (for example, plastic sheeting and then with aluminum foil) is also a way to prevent break down.
Other methods of preservation are drying, salting or curing and irradiation. In addition, food preservation can be achieved through pasteurization and lactic fermentation. All these methods of food preservation can be applied individually or in combination, depending on the particular food.
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