Freeze-drying can preserve the product for up to 25 years, remaining fresh as the day it was dried . Along with the preservation time, it also retains the nutritional value, flavor and texture . In many cases, the simple addition of water will transform the freeze-dried product back to its original, fresh form.
Freeze-drying is by far the best way to dry and preserve, essentially remaining fresh and natural, the same as it was before drying. What distinguishes freeze-drying from traditional drying is the quality, benefits and properties displayed by the finished product, obtainable only through freeze-drying.