The food is covered in ice crystals using a sizable freezer to accomplish this. This is due to the fact that 98 percent of the water in food is removed during the freeze-drying process. The major difference between freeze-drying and dehydrating is this: Compared to dehydrating products, freeze-dried food has a longer shelf life. It’s very simple to get started with dehydrating because you can use a dehydrator, a warm, sunny day, or even a low temperature in your oven.Īlso Read: Best Dehydrator For Jerky What’s the Difference Between Freeze Drying and Dehydrating? This implies that since there isn’t any moisture present, there won’t be any bacterial growth or mold and the food will be shelf-stable.ĭepending on how much moisture you have removed from the food, dehydrated foods can typically be kept on your shelf for about a year. When you dehydrate you use warm blowing air to remove between 70-90% of the moisture out of the food. Related Post: Can You Freeze Dry Dog Food? What is Dehydrating? The cost of these home models may be prohibitive, but we believe the value to be well worth it. The drawback of freeze-drying is that you need a freeze-drying unit. Instead of using heat, freeze-drying uses extremely cold temperatures (like -40 F), creates a vacuum around the food, and then alternately heats and cools the food to remove 99% of its moisture.ĭue to this, the food can maintain a remarkable level of nutrient density and last up to 25 years on your shelf. Which is Healthier Freeze-dried Or Dehydrated?įreeze-drying is a bit different than dehydrating. Is a Freeze Dryer the Same as a Dehydrator?.Final Words on Freeze Dry Vs Dehydrator.What’s the Difference Between Freeze Drying and Dehydrating?.
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