Liliana Cristina Soare, Ionica Deliu, Ion Iosub, Codruta-Mihaela Dobrescu, Mariana Ferdes
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peony extract, fern extract, antibiotic, new formulations.
The antibacterial effects produced by anthocyanins and other bioactive plant compounds are weaker than those generated by antibiotics. In some cases, the combination of extract-antibiotic can cause synergistic effects, also the purpose of the research was to develop and test new antibiotic - plant extract formulations. New potential antimicrobial formulations was done by soaking discs impregnated with piperacillin or tetracycline with different extract. The tested microorganisms were: Staphylococcus aureus ATCC 25923, Streptococcus sp., Escherichia coli 820B, soil bacterium 23S, and Enterobacter cloacae. The combination of antibiotics with extracts determined, only for some of the microorganisms tested, better antibacterial effects than those caused by the antibiotic or the extract.
