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Agricultural and Food Chemistry

Research from F.M. Nunes et al broadens understanding of agricultural and food chemistry

Published in Medical Imaging Law Weekly, July 31st, 2007

According to a study from Vila Real, Portugal, "A method involving fractionation in ethanol aqueous solutions, anion exchange chromatography, and immobilized copper chelating chromatography was developed to obtain high molecular weight anionic melanoidin populations from coffee infusions. Six anionic fractions with different physicochemical properties (ethanol solubility and chelating ability) and chemical composition regarding carbohydrate as well as protein nature and content were isolated."

"Fractions with similar chemical composition were obtained for light-, medium-, and dark-roasted coffee infusions. These melanoidin fractions accounted for 30-33% of the...

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