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  • Title: Antioxidant activity of methanolic extract of Hypericum triquetrifolium Turra aerial part.
    Author: Conforti F, Statti GA, Tundis R, Menichini F, Houghton P.
    Journal: Fitoterapia; 2002 Oct; 73(6):479-83. PubMed ID: 12385870.
    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.
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