真空冷冻干燥技术是一项对食品和药品进行护色、保鲜、保质的高新脱水技术,简称冻干技术。近些年来,冻干食品在欧、美、日本的消费量迅速增加,在国内市场也展现广阔前景。冻干脱水后的蔬菜、水果、肉类、水产、调料等,除应用于宇航、军需、登山、旅游、勘探、采矿等行业外,并已广泛进入餐馆和家庭。冻干食品在国际市场的价格是热风干燥脱水食 Vacuum freeze-drying technology is a high-tech dehydration technology for color protection, preservation, and shelf life of foods and pharmaceuticals. In recent years, the consumption of freeze-dried foods in Europe, the United States, and Japan has increased rapidly, and it has also shown broad prospects in the domestic market. Freeze-dried dehydrated vegetables, fruits, meat, aquatic products, seasonings, etc., have been widely used in restaurants, households, and the like in addition to applications in aerospace, military, mountaineering, tourism, exploration, and mining industries. The price of freeze-dried food in the international market is hot air drying dehydration