From a scientific point of view, freeze-drying is one of the drying techniques commonly used in food preservation and is currently being considered as a direction for the development of healthy foods.
Let's look at the two images, the bananas, apples and grapes processed by freeze-dried and dehydrated , take a look which is closer to the original look of the fruit?
Isn't it amazing ?
There are many advantages of freeze-dried food:
1 water control thoroughly to prevent the breeding of microorganisms to extend the shelf life;
2 makes the dry products can maintain the original traits, with the ideal instant solution and rapid rehydration;
3 easily oxidized substances can be effectively protected, nutrition can be well preserved;
4 storage and transportation convenience.