Food vacuum freeze dryers are often used in vegetables, meat, aquatic products, seasonings, instant foods, and specialty products.
the market demand is increasing rapidly because the quality of the freeze-drying products are keeping with the green,convenient and healthy,which are the commun views at present.
Freeze-drying works by freezing the vegatable,fruit,meat.medicines etc at first,then reducing the surrounding pressure to allow the frozen water in the material to sublimate directly from the solid phase to the gas phase.to achive the drying purpuse. There is no need to keep the freeze-drying products in refrigeration,can keep a lont time in normal temperature,and nearly the same with the fresh material after soaking,it’s very popular for the milddle and high cusumers.
Freeze drying (FD) technology as the world’s most advanced dehydration processing has following advantages:
1. Biological activity unchanged. No change in shape, color and taste. Finished products have a sponge structure with no shrink.
2. Convincing rehydration nature, able to original state in short time.
3. Nutrition fully retained and health ensured without pigment, additives, preservatives and anti-season food material.
4. Tenfold times lighter weight, easy to store and transport.