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I believe that the main disadvantage is that it is an expensive process.
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∙ 15y ago
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What is lyphilization?
freeze-drying
What is the advantage and disadvantage oven drying method?
The advantage of oven drying method is that all the trays get equal heat and therefore the drying is uniform. The disadvantage is that the dehydrator has limited capacity.
What two of state are involved in freeze drying?
The two changes of state involved in freeze drying are melting and freezing.
What are two changes of states are involved in freeze-drying?
The two changes of state involved in freeze drying are melting and freezing.
Is freeze drying a physical change or chemical?
Freeze-drying is a chemical change because it changes the actual composition of the object by removing water.
What are freeze dryers used for?
Freeze drying is a method of dehydrating a perishable product to enable long term storage or easier transportation. One well known application is freeze drying coffee.
What is the difference between lyophilization and freeze drying?
4
Is freeze-drying a chemical or physical change?
yes
Can water evaperate in a freezer?
Yes. It is called freeze drying.
What does AFD mean in food terms?
Accelerated Freeze Drying
How do you dehydrate ice cream like for astronauts?
The process is called freeze drying and can be applied to anything, not just ice cream..Freeze the material.Place it in a vacuum chamber.Pump the air out of the vacuum chamber.Water sublimes from the material into the vacuum.When fully dehydrated let air back into the vacuum chamber.When back at ambient pressure, remove material from vacuum chamber.The advantage of freeze drying over other dehydration methods is it retains shape, color, and texture of the material. The disadvantage is the cost.
Why do you think campers and soldiers use freeze-drying?
Because they are light.
