The Freeze Dried Coffee Process
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Freeze-dried coffee is prepared by freezing brewed coffee and then removing the ice component with a vacuum pump. Describe the phase changes taking place during these processes. This needs to be 200-300 words.
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Solution Summary
The freeze dried coffee process is examined. The phase changes taking place during the process are given.
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Freeze-drying, is the removal of water from food products by lowering their temperature under low pressure conditions.
Though there are two essential steps in freeze-drying, lowering the temperature and removing moisture, the complete process actually has several more aspects. In the production of freeze dried coffee, first regular coffee is brewed from ground beans and concentrated by partial evaporation. The coffee is flash frozen to prevent the large ice crystals that result from slow freezing. The frozen coffee is then ...
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