Question
How the decaffeinate coffee is prepared?
Answer :
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decaffeinate coffee is prepared by following ways -
Direct method
In the direct method, the coffee beans are first steamed for 30 minutes to open their pores and then repeatedly rinsed with either dichloromethane or ethyl acetate for about 10 hours to remove the caffeine. The caffeine-laden solvent is then drained away and the beans steamed to remove residual solvent
Indirect method
In the indirect method, beans are first soaked in hot water
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