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。 所谓冻干食品是将新鲜食品，如蔬菜、肉食、水产、中药材等快速冷冻后，再送入真空容器中升华脱水而成的一种食品。它不仅保持了食品的色、香、味、形，而且最大限度地保存了食品中的维 Vacuum freeze-drying technology is a high-tech dehydration technology for color protection, preservation and shelf life of food and medicine, referred to as freeze-drying technology. The so-called freeze-dried food is fresh food, such as vegetables, meat, aquatic products, Chinese herbal medicines and other rapid freezing, and then into the vacuum vessel sublimation dehydration from a food. It not only maintains the color, smell, taste and shape of the food, but also preserves the dimension