Não conhecido fatos sobre freeze food online
Não conhecido fatos sobre freeze food online
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As a relatively new technology for home use, plenty of people have questions about the industrial-grade preservation process also known as lyophilization. I’m not a scientist, but I’ve studied up and have enough experience to weigh in:
Every can you put on the shelves is full of liquid, which accounts for most of its weight and the space it takes up. Freeze dried food takes up a fraction of the space of cans, and less space than dehydrated foods too.
If you need a freeze dryer that can help you stock the pantry with the longest shelf-life food out there, one of our picks will get it done.
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Thanks to the freeze dryer, we now have a store of freeze-dried raw eggs ready for those times when our girls aren’t as productive.
This bit of prior planning can turn what might seem like a big ordeal into a simple plug-and-play process.
As you can see, the capacity more or less doubles with each model but the cost does not. The larger models use more energy to process the larger batches of food as well, so don’t neglect energy costs when you compare these as that impacts efficiency as we discussed earlier.
Freeze dried food is lighter than dehydrated or canned food – Dehydrated food retains about 20% of its water. As opposed to freeze dried food that is about 2% water. Canned food retains all of its moisture, and you also have the weight of the can to content with.
Investing in a premium home freeze dryer delivers numerous benefits that justify its position as the ultimate food preservation system. The most significant advantage lies in the exceptional shelf-life of freeze-dried food—up to 25 years when properly packaged—while maintaining nearly identical nutritional value to fresh foods.
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A few have used marketing tactics to increase listed ‘capacity’ by including stackable drying racks that fit inside of the tray to take advantage of vertical space without additional trays.
) Since the process involves removing moisture from frozen food it can affect some food textures and flavors when it is reconstituted with water.
I took detailed notes on the problem, including my layman’s attempt to isolate the problem. I disconnected power, then removed the back and top. I was more than a little impressed at how well laid out the unit was, to include labeling items on the circuit boards.
Vacuum Pump: Most freeze dryers have an external vacuum pump and many come with the pump included (but not all).