Coffee Decaffeination (#)
„In the Swiss Water Process the green beans are soaked in hot water to remove the caffeine and compounds responsible for much of the flavor of the coffee. The first batch of beans is then discarded, while the caffeine is stripped from the solution by means of activated carbon filters. This leaves a solution saturated with flavor compounds, which is then used to soak a new batch of green coffee. The principle is that the solution is saturated with all components soluble in water other than caffeine, and therefore only the caffeine in the bean is allowed to escape whereas the rest of the compounds are in equilibrium. Unfortunately, the flavor of batches is intermixed since the chemically saturated solution is used repeatedly.“
http://www.coffeeresearch.org/science/ decaffeination.htm - Cached
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Virtual Coffee: Feature Articles
„In the first, start-up phase, green beans are soaked in hot water, which removes both flavor components and caffeine from the beans. This first, start-up batch of beans is then discarded, while the caffeine is stripped from the water by means of activated charcoal filters, leaving the flavor components behind in the water and producing what the Swiss-Water Process people call "flavor-charged water" - water crammed full of the goodies but without the caffeine. This special water becomes the medium for the decaffeination of subsequent batches of green beans.“
http://www.virtualcoffee.com/sept_2002/ decafe.html
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The Coffee Review - the world's leading coffee buying guide
„In the first, start-up phase, green beans are soaked in hot water, which removes both flavor components and caffeine from the beans. This first, start-up batch of beans is then discarded, while the caffeine is stripped from the water by means of activated charcoal filters, leaving the flavor components behind in the water and producing what the Swiss-Water Process people call "flavor-charged water" -- water crammed full of the goodies but without the caffeine. This special water becomes the medium for the decaffeination of subsequent batches of green beans.“
http://www.coffeereview.com/article.cfm?id=61
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„If roasting is too short, the oils won't be brought to the surface and the coffee will have a nutty flavor and lack consistency. Dark roasted beans contain less acid, have slightly less caffeine than lighter roasted beans and have a shorter shelf life, due to the amount of oils on the surface. In darker roasts, it is the roast's smoky, pungent, burnt taste that dominates overtaking the bean's natural flavor. Many times the dark roast's burnt taste will mask beans that are low in flavor and quality.“
http://www.juanvaldez.com/menu/history/ roasting.html
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BSCA - BSCA Certified Roasted Coffees - SPRESS CAFÉ
„Decaf: This coffee pass through a decaffeination process where the still green beans are washed in order to remove the caffeine until almost none is left (Max. 0,06%). After this process the beans are normally roasted.“
http://www.bsca.com.br/ certified.php?lang=en&certified_id=7
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