Food preservation is everyone’s business. It is an essential option to keep what we eat as long as possible and avoid waste. For several years, inventions have been plentiful in the field of devices and methods that can preserve food in the best conditions. From drying to salting; from heat to cold, humans have arrived at the creation of the vacuum machine. We offer you a guide to understand the principle of this increasingly sought-after preservation method.
What is vacuum preservation?
Vacuum preservation is a process by which a raw or prepared food is stabilized for days. This is made possible by a machine that works by reducing oxygen to provide an environment where sealing shines to extend the shelf life of food. It is a system that operates under pressure to not only keep food for a long time but also to ensure protection against microbes or harmful bacteria. It is done by keeping food in packaging that meets the appropriate hygiene standards and can be removed intact. Vacuum preservation is a habit of modern cooking, however, what can we say about the effectiveness of this method?
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Vacuum preservation: good or bad idea?
Considering the recurring and permanent needs for food preservation, this measure is welcome. Indeed, the vacuum machine provides several benefits to its users.
Long-lasting preservation
Vacuum preservation allows food to remain in good condition, including all the vitamins it contains, for a period of about 6 weeks. After this time, vitamins may start to degrade, but the food retains its same appearance and same flavors. This shelf life is 5 times longer than that of a conventional machine. Furthermore, in the case of preserving meat, the vacuum machine allows for a duration of 16 months compared to 4 months for a simple freezer.
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Optimal food protection
The packaging designed to keep food in the vacuum machine is often equipped with a hermetic seal. In addition, the device continuously decompresses the oxygen, preventing the development of bacteria. All of this effectively avoids the proliferation of microbes and thus the risks of contamination of food.
A very practical method
Vacuum preservation does not require much effort from its user. They simply need to properly package the food, place it in the machine, which takes care of everything else, including the hermetic seal and air removal.
Vacuum preservation is undoubtedly a good idea as it is a very effective and very protective method for the food we consume. It significantly reduces the risks of diseases related to poor diet and the rate of food waste, which is very high each year due to poor food preservation.