Nespresso uses coffee from natural sources and removes caffeine using water and carbon dioxide. The Nestlé proprietary decaffeination process involves keeping green coffee beans in hot water in order to dissolve caffeine. The green coffee beans with no caffeine are dried, whereas the water extract passes through active coal, where caffeine is absorbed. Dried coffee beans are again immersed in the extract, which does not contain caffeine any more. Then beans are dried and roasted. Decaffeination process with the use of carbon dioxide is a delicate procedure, completed under pressure at room temperature. Caffeine is extracted in a selective process, therefore changes in coffee beans content are reduced to minimum. Nespresso offers several types of decaffeinated coffees. Both extraction processes allow to remove caffeine while preserving coffee flavour and taste. The quality of Nespresso decaffeinated coffees is controlled in the same way as the quality of all other Nespresso coffees.
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