Antimicrobial Effects of Certain Naturally Growing Weeds in the Yüksekova Basin
2025
Mesut SIRRI | Bülent HALLAÇ | Mehmet FİDAN
This study aims to evaluate the antimicrobial activities of ethanol extracts obtained from three plant taxa naturally growing in the Yüksekova Basin: Pimpinella anthriscoides var. anthriscoides Boiss. (Apiaceae), Heracleum persicum Desf. (Apiaceae), and Teucrium polium L. (Lamiaceae). The antimicrobial potential of these extracts was assessed against foodborne pathogens and spoilage-related bacterial strains (Bacillus cereus ATCC 10876, Escherichia coli ATCC 25922, and Staphylococcus aureus ATCC 25923) and clinically significant fungal strains (Candida albicans ATCC 10231 and Saccharomyces cerevisiae ATCC 9763). The aerial and underground parts of the plants were collected during the 2022 vegetation season, and their extracts were prepared using ethanol as the solvent. Antimicrobial activity was determined by measuring the inhibition zones, which ranged from 6 to 21 mm. Among the tested extracts, Pimpinella anthriscoides root- ethanol extract (10-21 mm) and Heracleum persicum seed-ethanol extract (15-21 mm) exhibited the strongest antimicrobial effects. The highest antibacterial activity was observed against Escherichia coli (20-21 mm) and Bacillus cereus (18-21 mm), while the most potent antifungal effect was recorded against Candida albicans (11-19 mm). The findings also revealed that antimicrobial activity varied not only between different species but also among different parts of the same plant species. In conclusion, ethanol extracts from the studied plant species demonstrated promising antibacterial and antifungal properties, suggesting their potential use as natural antimicrobial agents.
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