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Chemical characterization and antioxidant activities of oligomeric and polymeri...
Spranger, Isabel; Sun, Baoshan; Mateus, Ana M.; Freitas, Vitor; Ricardo-da-Silva, Jorge M.Two procyanidin fractions, namely oligomers and polymers isolated from grape seed methanolic extract were characterized. Phenolic composition and procyanidin purity of these fractions were determined by normal-phase and reverse-phase HPLC, thioacidolysis-HPLC, ESI-MS analyses, formaldehyde–HCl precipitation and elemental analysis. Antioxidant activities of these fractions and other wellknown antioxidants were m...
Data: 2008
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Origem: Repositório da UTL
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