They also require minimal preparation and revitalize quickly. In addition, the total weight of the product is reduced because 98 percent of the water is removed from the food. This makes it easy to store and to carry, if necessary. Not just for astronaut food, freeze drying other foods is also fairly popular.
ULT Deep freezer fruit is often used as a snack for people on the go. ULT Deep freezer food is also popular for people who are serious about hiking, the benefit being that they can carry more food with less weight, and perishable food will last a lot longer. This serves as a big benefit when you are hiking in the mountains for days.
Find a mesh metal tray. The tray should have some holes or the Freeze Dryer process will take longer. These can be found at any restaurant supply store. Next, cut the apple or potato into very thin slices. The thinner the slice, the less time the process will take. Arrange the slices on the tray and place in freezer.
The food that we eat here on earth – the surface of which is characterized by certain qualities of ambient air pressure, moisture and gravity – is different from the gastronomical conditions that astronauts experience in space. Their Laboratory Incubator atmospheric pressure is made to simulate ours, and there is also moisture in their air, but they haven’t figured out a way to simulate gravity, which changes the eating equation entirely.