title: Antioxidant activity of methanolic extract of Hypericum triquetrifolium Turra aerial part.
abstract: The antioxidant activity of the methanol extract of Hypericum triquetrifolium Turra (Hypericaceae) aerial part and of flavonoids isolated therein, I3,II8-biapigenin, quercetin-3-O-galactoside, kaempferol-3-O-glycoside, (-)-epicatechin and hypericin, was evaluated. The IC(50) resulted between 0.062 and 1 mg/ml.
authors.affiliation: Dipartimento di Scienze Farmaceutiche, Università degli Studi della Calabria, 87036 Rende (CS), Italy. filomena.conforti@unical.itq
authors.forename: Filomena
authors.initials: F
authors.lastname: Conforti
authors.forename: Giancarlo A
authors.initials: GA
authors.lastname: Statti
authors.forename: Rosa
authors.initials: R
authors.lastname: Tundis
authors.forename: Francesco
authors.initials: F
authors.lastname: Menichini
authors.forename: Peter
authors.initials: P
authors.lastname: Houghton
mesh_terms: D000975:Antioxidants / Q000008:administration & dosage / Q000737:chemistry / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D005419:Flavonoids / Q000008:administration & dosage / Q000737:chemistry / Q000494:pharmacology*; D006801:Humans; D020902:Hypericum; D015227:Lipid Peroxidation / Q000187:drug effects*; D008517:Phytotherapy; D010936:Plant Extracts / Q000008:administration & dosage / Q000737:chemistry / Q000494:pharmacology*
chemical_list: D000975:Antioxidants; D005419:Flavonoids; D010936:Plant Extracts