:: Dealing With Decaf :: (#)
„Removing caffeine from coffee beans is nothing new, and there are a number of techniques. The Swiss Water process is an expensive one but it results in the best coffee taste" explains Ewan, putting down his test tubes for a moment. But how does it all work? Ewan goes into technical mode.“
http://www.matthewalgie.com/find_out/ lab-dealing.html - Cached
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Caffeine and The Bean (INeedCoffee.com)
„The first is called the Swiss Water Process method. Decaf coffee made with this method can be found at most gourmet coffee shops, organic food grocery stores. The other decaffeination processes use some sort of a chemical solvent. In this article, I'll explain the essential aspects of the chemical removal process then I'll discuss a specific variation of the chemical process termed the Super Critical Carbon Dioxide method.“
http://www.ineedcoffee.com/99/06/decaf/
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International Coffee Organization
„In the 'Swiss water process', the green beans are immersed in water and the resulting extract passed over activated carbon to remove the caffeine, as above. The caffeine-free mixture is then added to the partially dried coffee beans before they are fully dried and roasted.“
http://www.ico.org/acoff/caffeine.htm
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View topic - Genetically engineered decaf coffee - Coffee Forum
„Researchers say they have genetically engineered coffee plants that have 70 percent less caffeine than usual in their leaves. The crucial question for brewing coffee - whether beans from those plants will have less caffeine - won't be known for three to four years when the plants mature, said study author Shinjiro Ogita.“
http://www.coffeeforums.com/ viewtopic.php?p=5297
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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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„* For great taste with less cafeine buy arabica coffee. It's slightly more expensive, but contains less caffeine than blends that combine arabica and robusta beans. * Roasted coffee beans start to lose some of their flavor within two weeks. Ground coffee begins to lose its flavor in minutes.“
http://www.juanvaldez.com/menu/preparation/ perfect.html
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