Food Freeze Drying Process/Equipment
Why freeze dry?
To extend the shelf life of a product.
To stabilize a product, making it easier to transport and less sensitive to temperature.
To produce a product that can be fully reconstituted (IE: for injection).
-Pet food
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What products are freeze dried?
Copyright 2009

How do food freeze dryers differ from pharmaceutical freeze dryers?
-Food freeze dryers do not require the control systems of a pharmaceutical freeze
-The materials used in the chamber of a food freeze dryer are of a lesser grade
than stainless steel.
-A food freeze dryer does not have temperature controlled shelves.
-Typical food freeze dryers have small condensers and large chambers.
-Pharmaceutical grade freeze dryers have a higher level of performance than a
food freeze dryer.