Ayşe Esra KARADAĞ, Ayşegül ÇAŞKURLU, Fatma TOSUN

In Vitro Anti-Helicobacter Pylori and Antimycobacterial Activity Evaluation Of Selected Plants From Turkey

In this study, the extracts of Ulmus minor Mill. subsp. minor (Ulmaceae), Lathyrus pratensis L. (Leguminosae), Glaucium leiocarpum Bois. (Papaveraceae), and Echium vulgare L. (Boraginacea) were investigated for their in vitro anti-Helicobacter pylori and anti-mycobacterial activity. The air-dried plant material was powdered and extracted with 70% ethanol by maceration. The extract was filtered and evaporated to dryness under the vacuum and then dissolved in a water-ethanol (90:10) mixture and extracted with dichloromethane and ethyl acetate, respectively. Antibacterial activity was investigated by microdilution method against Helicobacter pylori ATCC 43504, Mycobacterium smegmatis ATCC 14468 and Mycobacterium avium ATCC 25291. The ethyl acetate extract of U. minor showed activity with MIC of 250 µg / mL against H. pylori. The other extracts showed no or weak inhibitory activity at >2000 µg/mL concentrations against the tested microorganisms. In conclusion, ethyl acetate extract of U. minor may be used for the treatment of H. pylori infections.

Keywords:

Echium, Glacium, Helicobacter pylori,

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