:: The Plant :: (#)
„of coffee are arabica and robusta. Arabica coffees grow between 600 and 2000 metres - robusta grows between sea level and 600 metres. Both are vital to producing a well balanced espresso blend.“
http://www.matthewalgie.com/find_out/plant.html - Cached
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„Chlorogenic acid is the most prominent polyphenol in coffee, though there are others. Robusta coffee can contain up to 7-10% chlorogenic acid, where the concentration in Arabica coffee is slightly less at 5-7%. That means a cup of coffee can contain anywhere from 15 to 325 milligrams of chlorogenic acid, depending on the composition and method of preparation.“
http://www.aboutcoffee.net/ 2003_02_16_bcearc.html
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- Coffee Science Information Centre
„A study of robusta and arabica coffees from six different countries showed that robusta samples contained significantly more reducing substances than arabica samples and that protective activity measured ex vivo was significantly greater in roasted samples than in green coffee (7). Using the ABTS•+ method (the gold standard), it was confirmed that light roast or medium roast coffee has a significantly higher antioxidant activity in vitro than green coffee (8). This difference was observed despite a 19% and 45% decrease in the chlorogenic acid content of light and medium roast coffee respectively implying that other compounds make significant contributions to the total antioxidant activity of roasted coffee. Melanoidins are brown polymers formed by the Maillard reaction during the roasting of coffee beans and account for up to 25% of the dry matter.“
http://www.cosic.org/coffee-and-health/ antioxidants
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„Of the two species of coffee, Arabica and Robusta, the Arabica species has approximately half the caffeine of the Robusta species.“
http://www.coffeeuniverse.com/quiz.html
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What Is Coffee? - National Coffee Association
„In the commercial coffee industry, there are two important coffee species -- arabica and canephora, more commonly called robusta.“
http://www.ncausa.org/public/pages/ index.cfm?pageid=67
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Coffee World - Everything you ever need to know about coffee!
„Good coffee! NOT a commercial coffee that contains robusta beans and low quality arabica beans more....“
http://www.javacafe.com/coffee.htm
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Archived in Coffees, Arabica, Arabica Coffee