CoffeeGeek - Espresso: Questions and Answers, Smell the Decaf (#)

  „that smell you can sense is a mixture of 5 different chemicals which the beans are soaked in to remove the caffein from the beans. Once the soaking is finished the mixture now with caffein is filtered back to its original cocktail of chemicals minus the caffein then used again to do the same.How do i know? I've done some advertising work for a coffee company here in aus and went to the factory where i saw the procedure being done. The company even gave me a copy of the manual the reps use for training when they visit their clients and that also has it in writing.After knowing that would you ever drink decaff again?“

http://www.coffeegeek.com/forums/espresso/questions/ 25649 - Cached

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Some slightly related:

CoffeeGeek - Espresso: Espresso Blends, Black Cat Hi Test/Decaf

  „I have always assumed that the gooey stuff on the outside of decaf beans arises because of the decaffeination process. This I imagined to be dissolving the caffeine and other stuff with a solvent (hopefully water, but not always), then removing the caffeine from the solvent, putting back by the liquid solvent with all the other stuff, and evaporating the solvent, so that the other stuff is now stuck to the outside of the bean.“

http://www.coffeegeek.com/forums/espresso/blends/ 17976 - Cached

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

CoffeeGeek - Coffee: Home Roasting Talk, Dog ever eat your green beans?

  „may be of interest to you! Just search for "cocoa" and there's an article that explains the dangers of cocoa bean mulch to dogs (apparently the same substances exist in both coffee beans and chocolate beans that can harm animals: namely, methylxanthines theobromine and caffeine) .It's interesting that the effects in animals are widely varied... may explain your dog's lack of reaction!“

http://www.coffeegeek.com/forums/coffee/homeroast/ 102374 - Cached

CoffeeGeek - Regional: United States West, best espresso in CA?

  „Don't forget the Blue bottle Espresso cart outside the Ferry building. I believe Frog Hollow uses Blue Bottle beans.“

http://www.coffeegeek.com/forums/worldregional/uswest/ 86703 - Cached

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 - Cached

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