Antioxidant activity of methanolic extract of Hypericum triquetrifolium Turra aerial part.
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.
Conforti
Filomena
F
Dipartimento di Scienze Farmaceutiche, Università degli Studi della Calabria, 87036 Rende (CS), Italy. filomena.conforti@unical.itq
Statti
Giancarlo A
GA
Tundis
Rosa
R
Menichini
Francesco
F
Houghton
Peter
P
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*
D000975:Antioxidants; D005419:Flavonoids; D010936:Plant Extracts