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Flash freezing being used for cryopreservation. Flash freezing is used in the food industry to quickly freeze perishable food items (see frozen food). In this case, food items are subjected to temperatures well below [clarification needed] the freezing point of water. Thus, smaller ice crystals are formed, causing less damage to cell membranes. [4]
1,1,1,2-Tetrafluoroethane has also been used to cool computers in some overclocking attempts. It is the refrigerant used in plumbing pipe freeze kits. It is also commonly used as a propellant for airsoft airguns. The gas is often mixed with a silicone-based lubricant.
Tunnel freezing is a variant of air-blast freezing where food is put onto trolley racks and sent into a tunnel where cold air is continuously circulated. Fluidized bed freezing is a variant of air-blast freezing where pelletized food is blown by fast-moving cold air from below, forming a fluidized bed. The small size of the food combined with ...
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Kathy Bernard, acting manager at the U.S. Department of Agriculture, give us tips on the proper cold storage of food. Check out the slideshow above to learn her tricks. For more Food Storage Tips ...
The anti-griddle is a kitchen appliance that flash freezes or semi-freezes foods placed on its chilled metal top. [1] [2] Chef and Top Chef guest judge Grant Achatz developed the device with Philip Preston [3] for use in his Chicago restaurant Alinea. [4]
Freezing canned foods or beverages is a no-go. When the liquid inside freezes, the can will expand and likely explode, leaving you with a big mess to clean up. Getty Images
Cryogenic gases delivery truck at a supermarket, Ypsilanti, Michigan. Cryogenic gases are used in transportation and storage of large masses of frozen food. When very large quantities of food must be transported to regions like war zones, earthquake hit regions, etc., they must be stored for a long time, so cryogenic food freezing is used.