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

This release is available in Spanish.

Torrefacto-roasted coffee has higher antioxidant properties than natural roast, according to the dissertation defended by a biologist of the University of Navarra, Isabel Lpez Galilea. She has emphasized in her study that the addition of sugar during the roasting process increases the development of compounds with high antioxidant activity.

The researcher of Department of Food Sciences, Physiology and Toxicology of the University of Navarra analyzed eleven varieties of commercial coffee for her study, which was entitled The Influence of Torrefacto Roasting on the Principal Components of Coffee and its Antioxidant and Pro-oxidant Capacity.

As this scientist of the School of Sciences emphasized, numerous studies have shown the benefits of this drink. In particular, it is considered to be one of the best sources for antioxidants in the diet; these substances help to protect us against free radicals, which are a cause of premature aging and certain diseases. Coffee has an antioxidant capacity which is ten times higher than other drinks, such as red wine and tea.

The antioxidant capacity varies according to the preparation method

In order to carry out this research, Isabel Lpez analyzed the coffee consumption habits of the inhabitants of Navarra, via 300 surveys. The results showed that Navarrans consume an average of 125 ml of coffee per day, with consumption slightly higher among women. In addition, they primarily consume ground coffee resulting from a mixture of natural roast and torrefacto-roast coffees, and the coffee is generally prepared with Italian or mocha coffee makers, followed by the filter, espresso and pump methods.

After confirming the increased antioxidant capacity of ground coffees roasted using the torrefacto process, she showed how these properties were
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Contact: Garazi Andonegi
garazi@elhuyar.com
34-943-363-040
Elhuyar Fundazioa
Source:Eurekalert

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