freeze drying

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freeze drying

[′frēz ‚drī·iŋ]
(engineering)
A method of drying materials, such as certain foods, that would be destroyed by the loss of volatile ingredients or by drying temperatures above the freezing point; the material is frozen under high vacuum so that ice or other frozen solvent will quickly sublime and a porous solid remain.
References in periodicals archive ?
Contract awarded for freeze dried food production contractors
He has also been trying out freeze dried food ready for the challenge.
Blake from Emergency Food Storage, which sells freeze dried food and survival equipment, says that he has also had British people visiting his warehouse in fear of the worst, The Telegraph reports.
Three of the crew are yet to experience what it's like to operate on a just few hours sleep - if that - eating little else but freeze dried food for three weeks at a time in some of the world's most treacherous waters.
But small portions of freeze dried food are still very much part of a modern-day soldier's life when serving on Afghanistan's frontline.
Freeze dried food which lasts a long time, weighs less and preserves nutritional value was first made to feed astronauts.
residents have demanding careers as a consultant and graphic manager, respectively), sparked an interest in adventure racing, a sport that often has them packing their compasses and freeze dried food and heading for the hills-or whatever difficult terrain the race traverses.
Backpackers merely need to add boiling water to a pouch of freeze dried food (selections range from chili to mashed potatoes to chocolate pudding).
Wise is a leading supplier of high quality, innovative dehydrated and freeze dried food products, including entrees, breakfast items, fruits & vegetables, soups, meats and sauces.