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How do they decaffeinated coffee?
Coffee is decaffeinated by rinsing it with chemicals which dissolve the caffeine. The most common is carbonic acid, which is basically carbonated water.
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There are several ways to decaffeinate coffee but the most prevalent is to soak coffee beans in a solvent – usually methylene chloride or ethyl acetate.
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according to coffee and health.org, Swelling the green coffee beans with water or steam so the caffeine can be extracted. This is done with water, a solvent or activated carbon. Drying the decaffeinated coffee beans back to their normal moisture level.
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There are several ways to decaffeinate coffee but the most prevalent is to soak them in a solvent – usually methylene chloride or ethyl acetate. Methylene chloride can be used as a paint stripper and a degreaser as well an agent to remove caffeine.
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Swelling the green coffee beans with water or steam so the caffeine can be extracted. Extracting the caffeine from the beans. This is done with water, a solvent or activated carbon. Drying the decaffeinated coffee beans back to their normal moisture level.
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