Café de Colombia - BY ROAST (#)
„Late last century, a new process was introduced where beans were spun in a hot air chamber heated by natural gas; this system remains the most widely used to date. The chemical make-up of the coffee bean changes during the roasting process: water dissipates in the bean and a series of chemical reactions change sugars and starches into oils, which give coffee much of its aroma and flavor. When roasted, the coffee bean doubles in size, and the caramelization of the sugar turns it from green to brown. The color and appearance of the roasted bean depends on how long it has been roasted for.“
http://www.juanvaldez.com/menu/history/ roasting.html - Cached
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Caffeine and The Bean (INeedCoffee.com)
„It is a very effective solvent at the high pressures. When the coffee beans are exposed to the solvent, the caffeine migrates to the solvent. When the removal of caffeine is complete, the now caffeine-rich carbon dioxide is passed through either an activated charcoal bed or a bath of water to absorb the caffeine for re-use. Like other chemical methods, the Supercritical Carbon Dioxide method removes 96 - 98% of the caffeine.“
http://www.ineedcoffee.com/99/06/decaf/
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Coffee @ nationalgeographic.com
„Everyday alchemy, coffee roasting coaxes golden flavor from a bland bean. Unroasted beans boast all of coffee’s acids, protein, and caffeine—but none of its taste. It takes heat to spark the chemical reactions that turn carbohydrates and fats into aromatic oils, burn off moisture and carbon dioxide, and alternately break down and build up acids, unlocking the characteristic coffee flavor.“
http://www.nationalgeographic.com/coffee/ roasts.html
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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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„These labels are commonly used in coffee exchange markets in order to identify the type of bean, its quality, and its price. Colombian Milds are typically the highest quality and the most expensive beans, followed by Other Milds, Brazil, and Robustas. back to coffee types“
http://www.juanvaldez.com/menu/history/ origins.html
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„illy is one single blend of coffee made from nine varieties of Arabica beans, available in medium and dark roasts, in regular and decaffeinated, whole bean, ground and E.S.E. (Easy Serving Espresso or pods). illy coffee is sold in more than 70 countries.“
http://www.illyusa.com/pr/ the_business_of_coffee.htm
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