Café de Colombia - perfect (#)
„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. Freezing is not necessary to maintain the flavor.“
http://www.juanvaldez.com/menu/preparation/ perfect.html - Cached
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BSCA - BSCA Certified Roasted Coffees - ASTRO CAFÉ
„From a chemical point of view, the main difference between the two types of beans is found in the percentage of caffeine: 1-1.7 in Arabica and 2-4.5 in Robusta beans.“
http://www.bsca.com.br/ certified.php?lang=en&certified_id=4
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Cafe´ de Colombia - COFFEE BEANS
„Cafe´ de Colombia - COFFEE BEANS Good coffee comes down to good beans. There are two basic bean types: Robusta and Arabica:“
http://www.juanvaldez.com/menu/history/ beans.html
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Robusta Coffees for Home Roast Espresso Blends
„(Also, Robustas such as these are now being used in filter coffee "high caffeine" blend since the caffeine levels are doubled in Robusta over Arabica. But this really isn't something I am going to endorse, or even investigate myself even though such brands as ShockCoffee are doing exactly this...) Also check out Nestle's description of Robusta -interesting!“
http://www.sweetmarias.com/coffee.robusta.html
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„Fine Arabica coffees contain one half of the caffeine found naturally in the cheaper Robusta beans that are used in supermarket coffees. (Using Robustas in espresso blends is another controversy that tweaks the regulars around the newsgroups.) The results of chemical analysis performed by Lauk's Testing Labs in Seattle were recently posted at the LucidCafe Web site by David Schomer. Check out these numbers: Espresso Ristretto (18.5 grams of finely ground coffee, 1 3/4 fluid ozs) 230 milligrams of caffeine. Paper Filtered, Cone drip brewed coffee (18.5 grams of Arabica coffee, about 16 fluid ozs) 340 milligrams of caffeine Those are interesting numbers but I don't know anyone who makes a 16 oz pot using only 18.5 grams of ground coffee.“
http://gawlowski.com/matt/html/ espresso_faq.html
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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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