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dc.contributor.authorPinto, Diana-
dc.contributor.authorDiaz Franco S.-
dc.contributor.authorSilva, Ana Margarida-
dc.contributor.authorCupara S.-
dc.contributor.authorKoskovac M.-
dc.contributor.authorKojicic K.-
dc.contributor.authorSoares, Sónia-
dc.contributor.authorRodrigues, Francisca-
dc.contributor.authorSut S.-
dc.contributor.authordall'acqua, stefano-
dc.contributor.authorOliveira, Beatriz-
dc.description.abstract© 2019 The Royal Society of Chemistry. In the present study, a coffee-like beverage was prepared from Quercus cerris seeds. Seeds presented 60.4% carbohydrates (of which 26.9% is fiber), 6.3% proteins and 4.0% fat. In the coffee-like beverage, the TPC and TFC were 2070.2 mg GAE per L and 285.3 mg CEQ per L, respectively. The IC 50 values determined using FRAP and DPPH assays were, respectively, 203.1 mg L -1 and 271.6 mg L -1 . Concerning the reactive species scavenging capacity, the extract was more effective against O 2- , HClO and NO (namely, IC 50 = 17.24 ± 0.24 μg mL -1 , IC 50 = 9.25 ± 0.92 μg mL -1 and IC 50 = 0.65 ± 0.06 μg mL -1 ). Qualitative and quantitative analyses by 1D- and 2D-NMR and LC-MS indicated high levels of ellagic acid and gallotannin or ellagitannin derivatives. The optimal range of non-cytotoxic concentrations in Caco-2 and HT29-MTX cell lines was between 0.1 and 1.0 μg mL -1 . This is the first study that evaluates the Q. cerris seed extract as a beverage.-
dc.relation.ispartofFood and Function-
dc.titleChemical characterization and bioactive properties of a coffee-like beverage prepared from: Quercus cerris kernels-
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