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display cooler Freeze-drying preservation technology
author: supermarket refrigerated showcase category: walk-in display coolers Views: 574Time: 2016-08-22
display cooler Freeze-drying preservation technology
After lower temperature requirements, freeze drying is carried out at low temperature and low pressure, so that the ice in the food is sublimated into water vapor to form a dried product obtained from dehydrated food. Since freeze-dried food is of low quality, quick rehydration, good color, aroma and taste, it has an irreplaceable position in tourism, exploration, mountaineering, sailing, military field battles and cosmic voyages, which promotes the popularization of freeze-dried food. Provides a broad market.
After entering the 1980s, the variety and quantity of freeze-dried foods have increased rapidly. Not only can most vegetables, fruits, meats, and aquatic products be freeze-dried, but milk, fruit juice, vegetable juice, royal jelly, etc. can also be freeze-dried . Now, in the food industry raw materials, cooking raw materials, native products, condiments, supplements, beverages, snack foods and other aspects, there is also an increasing number of freeze-dried foods. In recent years, freeze-dried food has developed to a higher level. It has been reported that: freeze-dried instant noodles, not only the seasoning is freeze-dried, but the noodles are also freeze-dried, and adequate amounts of freeze-dried must be combined with nutrition. Vegetables: Freeze-dried soup, a reasonable mix of freeze-dried seasonings, vegetables, eggs, etc., ready to eat, convenient and tasty: powdered vegetables, freeze-drying technology combined with ultra-fine grinding technology, it is very easy to make all kinds of vegetables The digested and absorbed ultra-fine powder is added to noodles, biscuits, cakes, candies, beverages and other foods to make a new generation of health food. It is suitable for children and the elderly to eat granular vegetables. Dry rape, spinach, radish leaves, celery, peas, Carrot, pumpkin, potherb must be mixed into granules. This vegetarian granule is rich in natural nutrients such as chlorophyll, carotene, various vitamins and minerals, and has a delicious taste, suitable for patients or undernourished people. .
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