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Once the food has gone through the freeze-drying process, it can be stored for 20 - 30 years. But there are two components that will cause our food to spoil more quickly: water and oxygen. Freeze dried food will last much longer if it is sealed in a #10 can or a Mylar bag. These containers will keep moisture out of the food so that it wonât reconstitute and will be ready to use when you need it. You can also add an oxygen absorber to the container to keep your food bacteria free for years to come.
Foods stay frozen longer if the freezer remains unopened, is full, is in a cool place and is well insulated. Usually food in a loaded freezer will stay frozen for two to four days, depending on its size. A half-filled freezer will keep food frozen only about 24 hours. Cover the freezer with blankets, keeping them away from the compressor, to help hold the cold.