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Torrefacto-roasted coffee has higher antioxidant properties
Date:3/6/2008

present in the brewed coffee, which is the typical form of coffee consumption. In regard to the different preparation methods, she discovered that espresso machines produce a drink with the highest antioxidant capacity, more than coffee produced by the Italian, filter and pump methods. These properties may be due to the greater content of brown compounds [compuestos pardos] developed during the roasting process, as well as to polyphenic compounds and caffeine.

In addition, she demonstrated that both the compounds contained in coffee as well as its aroma are affected by the type of roast and the system of extraction; nevertheless, this is a topic that will require further study in order to identify results under varying conditions. In her study, Dr. Lpez identified 34 volatile compounds with high aromatic impact on coffee drinks, and new aromatic compounds were detected, such as octanol, which produces an intense orange aroma.


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