- Coffee Science Information Centre (#)

  „These concentrations are well above those seen in the blood in response to normal intakes of caffeine suggesting that the effects of caffeine are mediated by other mechanisms. It is now generally accepted that physiological concentrations of caffeine (about 100 μM) act by antagonising the effects of adenosine. Caffeine acts at A1 adenosine receptors which are negatively linked to adenyl cyclase and A2a adenosine receptors which are positively linked to adenyl cyclase. Hence, competition between caffeine and adenosine at cell surface A1 and A2a adenosine receptors leading to changes in the intracellular concentration of cyclic AMP is the likely mechanism underlying the physiological effects of caffeine.“

http://www.cosic.org/background-on-caffeine - Cached

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Some slightly related:

Amazon.com: Books: Gary Null's Ultimate Anti-Aging Program

  „As the doctor suggested I made soya a regular part of my diet. I now drink 'soy ff e e' a caffeine free substitute for regular coffe that I found on the net at www.S o y co f f e e.c o m, which is extremely tasty too. Soya is supposed to be highly effective against Parkinson's disease. Dr.“

http://www.amazon.com/exec/obidos/asin/1575664097/qid%3d917226162/ sr%3d1-1 - Cached

Coffee and Dieting (INeedCoffee.com)

  „If too much coffee can affect blood sugar then it only makes sense to reduce your caffeine intake. However, you don't want to reduce your coffee intake at the same time you are reducing your caloric intake unless you have super willpower. Less calories and less caffeine usually means a reduction in energy which could lead to binge eating.“

http://www.ineedcoffee.com/03/coffeediet/ - Cached

www.coffeereview.com - the worlds leading coffee buying guide - Decaffeinated Coffees

  „On a final note, if you are looking for ways to reduce your caffeine intake without giving up coffee or sacrificing taste, there are a couple creative alternatives to decaffeinated coffee. Besides simply drinking less regular coffee, experiment with blending regular coffees naturally low in caffeine with a decaffeinated coffee to create your own favorite low-caffeine coffee. Try mixing one part of a distinctive, full-bodied regular arabica coffee such as Kenya, Yemen Mocha, Sumatra, or Guatemala with two parts of a mild decaffeinated coffee such as Costa Rican or Colombian. The resulting blend will have 80 to 85% less caffeine per cup than popular grocery store coffees and taste like a true specialty coffee.“

http://www.coffeereview.com/articles/print/ 20.cfm - Cached

Virtual Coffee: Feature Articles

  „Then measure in the leaves. To reduce the amount of caffeine, pour hot water over the leaves just to cover, approx. 20 seconds, and immediately pour off this water. Now cover leaves with water as you would to make a perfect cup or pot of tea.“

http://www.virtualcoffee.com/july_2002/tea.html - Cached

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