Apparatus for freeze-drying of food products e.g. coffee, has microwave vacuum drying apparatus comprising several spray nozzles and spray unit for spraying solvent directly in microwave oven of microwave vacuum drying apparatus

摘要

The apparatus for freeze-drying of foods has microwave vacuum drying apparatus comprising several spray nozzles and spray unit for spraying solvent directly in the microwave oven of microwave vacuum drying apparatus. A diving pool with solvent is provided outside or in the microwave vacuum drying apparatus. The drying apparatus has second microwave provided before an output lock. An independent claim is included for method for freeze-drying of food products.