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Chemical and antibacterial evaluation of Hypericum triquetrifolium Turra
Author(s) -
Pistelli Luisa,
Bertoli Alessandra,
Morelli Ivano,
Menichini Francesco,
Musmanno Rosa Anna,
Maggio Tiziana Di,
Coratza Grazietta
Publication year - 2005
Publication title -
phytotherapy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.019
H-Index - 129
eISSN - 1099-1573
pISSN - 0951-418X
DOI - 10.1002/ptr.1736
Subject(s) - antibacterial activity , agar dilution method , agar dilution , traditional medicine , pharmacognosy , ethyl acetate , agar , gram , antibacterial agent , antimicrobial , staphylococcus aureus , biology , chemistry , bacteria , microbiology and biotechnology , chromatography , biological activity , minimum inhibitory concentration , antibiotics , medicine , biochemistry , in vitro , genetics
Five extracts and pure compounds from the aerial parts of Hypericum triquetrifolium were tested for their antibacterial activity against 31 gram‐positive and gram‐negative strains using the agar dilution method (Lorian). The ethyl acetate extract exhibited a weak antibacterial activity against Staphylococcus strains, and pure constituents such as quercetin and I3,II8‐biapigenin were the active components of this extract. Copyright © 2005 John Wiley & Sons, Ltd.