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Freeze drying

technology Maturity 5-7

We can dry food by freezing it.

Astronaut Strawberries 2.jpg
Astronaut Strawberries 2.jpg
First, we make the food very cold. Then, the ice turns into air. This keeps the food's shape. It also keeps the taste good.
Freeze-Dried-Ice-Cream.jpg
Freeze-Dried-Ice-Cream.jpg
Do you like dried snacks?

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🖼️ Images & Media (11)
File:Astronaut Strawberries 2.jpg
Astronaut Strawberries 2.jpg
File:Freeze-Dried-Ice-Cream.jpg
Freeze-Dried-Ice-Cream.jpg
File:Drying.svg
Drying.svg
File:Benchtop freeze dryer.JPG
Benchtop freeze dryer.JPG
File:Lyophilized_cake_in_a_5_ml_glass_vial_with_stopper.jpg
Lyophilized_cake_in_a_5_ml_glass_vial_with...
File:Freeze dried bacon bars (cropped).jpg
Freeze dried bacon bars (cropped).jpg
File:Bulgarian space food.jpg
Bulgarian space food.jpg
File:NPTM Photothon - lyophilized food - icecream and chocolate, spaghetti with bacon.jpg
NPTM Photothon - lyophilized food -...
File:Liofilizat 04 pl.jpg
Liofilizat 04 pl.jpg
File:Lyophilizer tray type.jpg
Lyophilizer tray type.jpg
File:Home Freeze Dryer JK.jpg
Home Freeze Dryer JK.jpg
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Fractional freezing
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📚 Content adapted from Wikipedia | Readability: FK 13.3 | Vital Level 5