Antibacterial activity of rosemary, caraway and fennel essential oils

PAWEŁ KWIATKOWSKI, STEFANIA GIEDRYS-KALEMBA, MAŁGORZATA MIZIELIŃSKA, ARTUR BARTKOWIAK

Abstract

Introduction: Recently, interest in essential oils used in natural medicine, has been increasing. Essential oils are still being tested for their potential uses as an alternative remedies for the treatment of many infectious diseases. Objective: The aim of the study was to evaluate antibacterial properties of commercial essential oils (rosemary, caraway and fennel) to reduce the number of Staphylococcus aureus and Escherichia coli. Methods: The antibacterial activity of essential oils was investigated by agar dilution method. Results: The result of experiments showed that essential oils contained in microbiological media significantly reduced the number of S. aureus and E. coli cells. The best antibacterial properties possessed caraway oil: 1 mg/g for S. aureus and 10 mg/g for E. coli, weaker rosemary (5 mg/g) and fennel (20 mg/g) oils. Conclusion: Results confirmed the inhibiting effect of commercial essential oils on S. aureus and E. coli and provide a scientific ground for future research.
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