在食品大家族中,有一种不需要冷藏设备,只要将其密封包装后,就可在常温下长期储存、运输和销售的食品,这就是冻干食品。把经过处理的蔬菜、肉类、水产品等原料快速冷冻后,再送入真空器使其水份由固态冰上升成气,从而使原料脱水干燥。采用冷冻干燥技术制成的食品,不仅保持了食品 Among the big families of food, there is a kind of food that can be stored, transported and sold for a long time at room temperature without the need of refrigerating equipment, so long as it is sealed and packaged, which is the freeze-dried food. The processed vegetables, meat, aquatic products and other raw materials frozen quickly, and then into the vacuum so that the water from the solid ice rose into gas, so that raw materials dehydration and drying. Foods made using freeze-drying techniques not only preserve the food