Shelf-Life, Mountain House freeze dried food lasts a lot longer without going bad because the freeze drying removes more water. On average, Mountain House freeze dried foods last between 25 and 40 years. Dehydrated foods still have 25% of its original water left in it, so they cannot stay good for nearly as long. Dehydrated food will typically last between 1 and 5 years.
Nutrition, Freeze dried foods retains all the nutrients that it had in its original form after the freeze drying process. You lose about 50% of the foods nutrients in the dehydration process because of the heat that the food is put under in the process.
Taste & Texture, Dehydrated food looks and tastes different than in its original form before the dehydrating process. It also usually has a chewy texture that most people do not like so much. Mountain House freeze dried food has a muted coloring and a dry, powdery texture before it is rehydrated with water. But, once water is added the food has its original look, texture, and taste. The water is best hot but can be added cold. It takes an average of 10 minuted to fully rehydrate a single serving freeze dried meal.
Processes, Freeze dried food is slowly cooled and then flash frozen and then put in a vacuum container causing the water vaporize, and leaving the food item with up to 99% of its water removed. Dehydrated foods are heated and in this process the water evaporates, leaving the dehydrated foods with about 75% of the water removed. The differences in process mean that they both have different functions in your long term food storage. Dehydrated foods are best for the short term (under 5 years). While freeze dried foods by mountain House are your best bet for long term food storage.
Re-Hydrating, Since freeze dried food was designed to be rehydrated with water, it is very easy to do in about 10 minutes. It can be done with cold or hot water, and after the water is added the food is just like any regular food that was frozen and then thawed. Dehydrated food wasn’t made for rehydration, so it is extremely difficult. An example of doing this would be trying to turn a raisin back into a grape. If you do want to attempt this, it must be done with hot water and never works out so great.
Additives, Mountain House freeze dried foods don’t have any additives, but most dehydrated food do. Dehydrated food usually require added salt, sugar, or other preservatives to make dehydrated food last and taste OK with needed.
Mountain House freeze-dried food is great to use as a substitute for fresh ingredients when cooking. Mountain House freeze-dried food also comes in many different packaged meals like lasagna or chicken & rice. There are limitless possibilities with freeze-dried foods Mountain House even make freeze-dried ice cream! Dehydrated food is more limited. It’s great as a snack by itself, but it doesn’t really go with recipes very well. The foods that are dehydrated are mostly fruits, vegetables, and meats. Freeze dried food costs more than dehydrated food due to the process and packaging.