title: Phytochemical and antioxidant profiles of leaves from different Sorbus L. species.
abstract: Leaves of Sorbus L. have been used in various traditional medicine systems. Phenolic compounds determine the main pharmacological effects of Sorbus L. In this study, phytochemical and antioxidant profiles of Sorbus anglica, Sorbus aria, Sorbus arranensis, Sorbus aucuparia, Sorbus austriaca, Sorbus caucasica, Sorbus commixta, Sorbus discolor, Sorbus gracilis, Sorbus hostii, Sorbus semi-incisa and Sorbus tianschanica were determined. Twenty four constituents were identified in Sorbus L. species using ultra high performance liquid chromatography coupled to quadruple and time-of-flight mass spectrometers. Post-column FRAP assay identified compounds with reducing activity and revealed significantly greatest total antioxidant activity of 175.30 μmol TE/g DW, 169.20 μmol TE/g DW and 148.11 μmol TE/g DW in S. commixta, S. discolor and S. gracilis leaf samples, respectively, with neochlorogenic and chlorogenic acids being most significant contributors. Characteristic fingerprints of phytochemical and antioxidant profiles could be applied for the quality evaluation of various raw materials of Sorbus L. species.
authors.affiliation: a Department of Pharmacognosy , Lithuanian University of Health Sciences , Eivenių Str. 4, LT-50161 Kaunas , Lithuania.
authors.forename: Lina
authors.initials: L
authors.lastname: Raudonė
authors.forename: Raimondas
authors.initials: R
authors.lastname: Raudonis
authors.forename: Kristina
authors.initials: K
authors.lastname: Gaivelytė
authors.forename: Audrius
authors.initials: A
authors.lastname: Pukalskas
authors.forename: Pranas
authors.initials: P
authors.lastname: Viškelis
authors.forename: Petras Rimantas
authors.initials: PR
authors.lastname: Venskutonis
authors.forename: Valdimaras
authors.initials: V
authors.lastname: Janulis
mesh_terms: D000975:Antioxidants / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D013058:Mass Spectrometry; D064209:Phytochemicals / Q000032:analysis*; D010936:Plant Extracts / Q000737:chemistry*; D018515:Plant Leaves / Q000737:chemistry*; D031994:Sorbus / Q000737:chemistry*
chemical_list: D000975:Antioxidants; D064209:Phytochemicals; D010936:Plant Extracts
keywords: FRAP; Sorbus L; antioxidant profile; chlorogenic acid; neochlorogenic acid; post-column assay