Last week, our journey was spent learning about dehydrated foods. These are foods that are dehydrated in the standard way, through heat. This week, we are discussing a wonderful process for drying food that uses just the opposite method. Sound crazy? It’s a wonderful technology where food that is fresh or cooked is first flash frozen. Moisture is then removed in a vacuum chamber where a low level of heat is used to evaporate the ice crystals without returning it to a liquid form. Because the food remains frozen during this process, the food’s cell structures do not change. Therefore, much of the nutrition (including the vitamins), color, aroma, and freshness are retained.
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