Phenolic constituents and the in vitro antioxidant activity of the flowers of Hypericum venustum.
The phenolic constituents and antioxidant activity of ethanol and water extract of the flowers of Hypericum venustum, collected in Turkey, were investigated. The extracts possess strong reducing power, free radicals and hydrogen peroxide scavenging activity, as well as metal chelating ability.
Spiteller
Michael
M
Institute of Environmental Research, University of Dortmund, Otto-Hahn-Str. 6, 44221 Dortmund, Germany. m.spiteller@infu.uni-dortmund.de
Ozen
Tevfik
T
Smelcerovic
Andrija
A
Zuehlke
Sebastian
S
Mimica-Dukić
Neda
N
D000975:Antioxidants / Q000008:administration & dosage / Q000494:pharmacology* / Q000627:therapeutic use; D001713:Biphenyl Compounds; D002614:Chelating Agents / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use; D005296:Ferrous Compounds / Q000737:chemistry; D035264:Flowers; D005609:Free Radicals / Q000737:chemistry; D006801:Humans; D006861:Hydrogen Peroxide / Q000737:chemistry; D020902:Hypericum; D066298:In Vitro Techniques; D008519:Medicine, Traditional; D010636:Phenols / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use; D008517:Phytotherapy; D010851:Picrates / Q000737:chemistry; D010936:Plant Extracts / Q000008:administration & dosage / Q000494:pharmacology* / Q000627:therapeutic use; D014421:Turkey
D000975:Antioxidants; D001713:Biphenyl Compounds; D002614:Chelating Agents; D005296:Ferrous Compounds; D005609:Free Radicals; D010636:Phenols; D010851:Picrates; D010936:Plant Extracts; D006861:Hydrogen Peroxide; C004931:1,1-diphenyl-2-picrylhydrazyl