Article: How Coffee Is Decaffeinated
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How Coffee Is Decaffeinated
First, let?s start with a really quick history. Coffee was first decaffeinated by Ludwig Roselius, a German coffee merchant, in 1905 after he received a coffee shipment that had gotten soaked during a storm at sea. He experimented with the brine-soaked coffee, and found out that benzene could be used as solvent to bond with the caffeine. Since caffeine is water-soluble at temperatures above 175°, he could boil the solution to separate the caffeine from the coffee. With his process, the coffee was decaffeinated, but it had lost much of its flavor.
For the record, Ludwig improved on his process and went on to sell his discovery under the Sanka brand name. Benzene is no longer used, as it is not considered safe for human consumption.
Today there are 3 commonly us...
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