title: Determination of Polyphenolic Phytochemicals using Highly Deshielded -OH1H-NMR Signals.
authors.affiliation: Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina, GR, -45110, Greece.
authors.forename: Pantelis
authors.initials: P
authors.lastname: Charisiadis
authors.affiliation: Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina, GR, -45110, Greece.
authors.forename: Vassiliki G
authors.initials: VG
authors.lastname: Kontogianni
authors.affiliation: NMR Centre, University of Ioannina, Ioannina, GR, -45110, Greece.
authors.forename: Constantinos G
authors.initials: CG
authors.lastname: Tsiafoulis
authors.affiliation: Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina, GR, -45110, Greece.
authors.forename: Andreas G
authors.initials: AG
authors.lastname: Tzakos
authors.affiliation: Section of Organic Chemistry and Biochemistry, Department of Chemistry, University of Ioannina, Ioannina, GR, -45110, Greece.
authors.forename: Ioannis P
authors.initials: IP
authors.lastname: Gerothanassis
mesh_terms: D002853:Chromatography, Liquid / Q000379:methods; D003080:Cold Temperature; D006863:Hydrogen-Ion Concentration; D017665:Hydroxyl Radical / Q000737:chemistry*; D057230:Limit of Detection; D031658:Olea / Q000737:chemistry; D031341:Origanum / Q000737:chemistry; D010936:Plant Extracts / Q000737:chemistry*; D018515:Plant Leaves / Q000737:chemistry; D059808:Polyphenols / Q000032:analysis*; D066244:Proton Magnetic Resonance Spectroscopy / Q000379:methods*; D052616:Solid Phase Extraction; D012997:Solvents / Q000737:chemistry
chemical_list: D010936:Plant Extracts; D059808:Polyphenols; D012997:Solvents; D017665:Hydroxyl Radical
keywords: 1H-NMR spectroscopy; flavonoids; mixture analysis; oleuropein 6-O-β-D-glucopyranoside; οlive leaf extracts; οregano extracts