Product Description
Fruit contents abundant Vitamins, and different fruits have different beautiful color. Fresh fruits could preserve 3-5 days in room temperature, and frozen fruits lost its taste and nutrition. By traditional drying process, the dried fruits lost its shape, color, nutrition and taste. The ideal way to preserve fruits, is by freeze drying method. Freeze dryer is now mainly used in drying all kinds of fruits.
Fruit is a kind of food, so food freeze dryer is the best choice for fruits freeze drying. Some fruits are very big with thick peel, to freeze drying this kind of fruits, peeling and slicing is the first step or pre-processing treatment. The small pieces fruits with thin peels can be freeze dried directly without pre-processing excepting cleaning.
Pre-freezing fruits before freeze drying or freeze drying fresh fruits directly?
As for freeze drying, the product must be frozen completely without any water inside. All water in the fruits must be frozen into ice status before drying. Pre-freezing is necessary which could help to save the whole freeze drying time, if frozen products loading is not a problem. Fresh could be also loaded into small and middle fruit freeze dryers without pre-freezing processing, but the first step after loading the fresh fruits into the freeze drying machine is also freezing the fruits into ice status firstly. The advantage to load fresh fruits is that the machine is more convenient in use.
Technical Parameter
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