真空冷冻干燥技术在食品工业中的应用

食品真空冷冻干燥技术的主要优点是能保持新鲜食品的色、香、味、形,最大限度地保存了食品内部的维生素、蛋白质等营养成分,且复水性好,能在常温下保存较长的时间,因而被广泛地用于方便食品、调理食品等方面。它是干燥技术领域中科技含量高、应用广的一种技术,因其产品具有绿色、方便、保健功能,深受大家青睐。本文介绍了真空冷冻干燥技术的基本原理、工艺流程及操作要点、真空冷冻干燥食品的特点、应用、国内外现状及发展趋势。

The Applications of Vacuum Freeze-drying Technology on Food

The main advantage of food vacuum freeze-drying technique is keeping the color, smell, taste, quality and the shape of the food. It can maintain maximum the nutrients, such as vitamins, protein etc. And it has a good rehydration, which can save a long time at the room temperature. Vacuum freeze-drying food has been widely used in convenience food, prepared food and so on.Vacuum freeze-drying technique is a high technological content and widly used technology.The products with green, convenient and healthy character, are more and more in people＇s graces. The pater introduced the principle of the vacuum freezydrying technology, the technology process and operation points,the character,the applications and present situation at home and abroad and its development trend.