To properly preserve the edibility of food and consume it in its original state, it is necessary to store it correctly. There are several techniques for preserving food. Discover a few of them in this article.
Vacuum Packaging Preservation
To better preserve your food for later consumption, the best option is vacuum packaging. To vacuum pack, you need to use a vacuum sealer. This machine should be chosen based on your preferences and the type (liquid or solid) of food to be packaged.
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Indeed, this preservation method allows you to replace the air surrounding the food with a gas or a gas mixture, thereby extending its shelf life. Your food will therefore be stored at low temperatures throughout its lifespan. This technique also helps retain the flavors contained in the food and can even enhance them.
Heat Preservation
Food items can also be preserved using heat. When we talk about heat preservation, different safe techniques are used. These include:
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Appertization
Also known as canning, this technique allows for the preservation of handled foods. Either by packaging in a sealed container or by sterilization. This technique allows you to preserve your food for a minimum of 5 years.
Pasteurization
This technique aims to destroy pathogenic and spoilage microorganisms. By choosing this technique, you preserve the characteristics of your food, primarily its flavor.
Sterilization
The sterilization technique aims to destroy microbial forms. It ensures the stability of food at room temperature.
Other techniques such as ultra-high temperature treatment can be used for longer food preservation.
Cold Preservation
Cold preservation slows down cellular activity, enzymatic reactions, and the development of microorganisms for a longer shelf life of food. Several techniques can be used for cold preservation. These include:
Freezing
The freezing technique aims to solidify the water contained in food and reduce its temperature. By doing this, it halts microbial and enzymatic activity, thus extending the shelf life of the items.
Refrigeration
Refrigeration preservation allows for an extended shelf life of food by lowering its temperature.
Flash Freezing
The flash freezing technique aims to increase the shelf life of food by slowly crystallizing the water contained in its cells. Besides extending shelf life, flash freezing also helps retain the textures and flavors of the food.