The decaffeination of the coffee beans

coffee review

In 1820, a German chemist called Friedlieb Ferdinand Runge, discovered how to extract the caffeine from the coffee beans. Then, in 1905, the German Ludwig Roselius invented the first process for decaffeinating coffee. His method used benzene, a highly flammable liquid that nowadays is been replaced with non-toxic solvent. Is it safe to drink decaf coffee? The decaffeination process usually removes 97 to 99% percent of caffeine from the beans. …

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