Antioxidant activity of methanolic extract of Hypericum triquetrifolium Turra aerial part

Fitoterapia. 2002 Oct;73(6):479-83. doi: 10.1016/s0367-326x(02)00162-4.

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.

MeSH terms

  • Antioxidants / administration & dosage
  • Antioxidants / chemistry
  • Antioxidants / pharmacology*
  • Dose-Response Relationship, Drug
  • Flavonoids / administration & dosage
  • Flavonoids / chemistry
  • Flavonoids / pharmacology*
  • Humans
  • Hypericum*
  • Lipid Peroxidation / drug effects*
  • Phytotherapy*
  • Plant Extracts / administration & dosage
  • Plant Extracts / chemistry
  • Plant Extracts / pharmacology*

Substances

  • Antioxidants
  • Flavonoids
  • Plant Extracts