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Freeze dried foods have recently appeared as a way of preserving food. The process involves freezing the food, then taking most of the moisture out of the food with vacuum and then sealing it into an airtight container. The main advantages of the freeze dried foods are that they can be transported at the normal temperatures, have a long storage time and can be cooked with minimum efforts. As the freeze dried foods are ready to eat, they taste and look the same as the natural products. Another advantage of the freeze dried food is that it is very lightweight due to the most of the water content removed. And that reduces the shipping costs. The food is also clean as the process of dehydration makes it impossible to survive for yeast and bacteria.
Freeze dried has disadvantage though. And ne of the main its disadvantage is its cost. The process requires expensive equipment, a lot of time and hard work that is why it is reflected on the freeze dried foods price. It makes it expensive compared to the other methods of food preservation.
There are products that are perfect for freeze drying such as liquids, small fruits and vegetables and thin slices of meat. The most common freeze dried liquid is coffee. Other products that can be freeze dried are slices of crab, shrimp, beef, chicken, almost all vegetables and fruits and you can even make vegetable mixes for soups and main courses. But you cannot freeze dry thick pieces of meat and big whole fruits and vegetables.
As it has been said before the process of freeze drying food is a tedious and hard process. It usually happens on a large plant equipped with modern technology. The process of freeze drying varies in details like times, temperatures, pressures and other moments. The process usually contains such steps as testing and preparation, freezing, drying, sizing and blending, packaging and quality control. Quality control is important as each food has different processing, storage and rehydration requirements. The proper quality control makes sure that the food that is sent for us to consume has been through the controlled process and meets all the requirements. The quality control eve checks the packaging, in order to make sure it is able to prevent water vapor and air transmission.
Freeze dried foods are a great option for your emergency food storage. They taste good, you can choose any food you like, and they have a long shelf life and take small amount of space in your storage. If you are concerned about the price of the freeze dried food, it could be just a little addition to your other storage items that will diversify your food storage supplies.
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