Przeciwdrobnoustrojowe działanie derenia

*Paweł Krzyściak¹, Mirosław Krośniak², Maciej Gąstoł³, Dorota Ochońska⁴, Wirginia Krzyściak⁵

Summary
A lot of Cornaceae family plants are used in a traditional medicine. Few studies described its antimicrobial activity, but only bark and fruit extracts were investigated so far. In our study ethanol or methanol extracts from different part of cornelian cherry: bark, fruits, leaves and seeds were used to evaluate their activity against 4 species of bacteria: Gram-positive – Staphylococcus aureus and Streptococcus pyogenes, Gram-negative – Escherichia coli and Pseudomonas aeruginosa and 3 species of fungi – Candida albicans, Aspergillus fumigatus, Trichophyton mentagrophytes. It was found that the highest antimicrobial activity obtained with disc-diffusion method revealed leaves and seeds extracts against S. aureus and C. albicans with diameters of inhibition zones between 10-15 mm. S. pyogenes and T. mentagrophytes were resistant to all extracts. In case of P. aeruginosa and E. coli the most effective was ethanol seed extracts.Our results show cornelian cherry as one from small know plants with interesting properties. This effect can be useful as new potential method of food protection before biological damage and also as new type of antibacterial and antifungal drugs.

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