With the increase in the use of antibiotics and resistance against them, attention has been paid to natural remedies with the possibility of lower resistance and side effects. In this study, the essential oil of Loranthus europaeus Jacq. was identified chemically and the antimicrobial effects of the essential oil and extract on bacterial agents such as Acinetobacter baumannii, Staphylococcus aureus, and Pseudomonas aeruginosa were investigated. L. europaeus leaves were collected from the Ilam mountains and after drying, essential oil and hydroalcoholic extract were prepared. The chemical compositions of the essential oil and extract of L. europaeus plant were measured by Headspace-solid phase microextraction (HS-SPME), Gas chromatography-mass spectrometry (GC-MS), and High Performance Liquid Chromatography (HPLC) methods. The results showed that the main component of L. europaeus extract was Rutin (223 μg/mL). The bacterial strains were isolated from clinical samples, and the microbroth dilution method by Clinical and Laboratory Standards Institute (CLSI) method were used to evaluate the Minimum inhibitory concentration (MIC) and Minimum Bactericidal Concentration (MBC). The MIC and MBC for the L. europaeus leaf extract were 6 μg/mL and 196 μg/mL on S. aureus, respectively. It had no significant effect on the strains of A. baumannii and P. aeruginosa. L. europaeus leaf essential oil also had no antimicrobial effect on bacterial sauces. The results showed that the plant extract of L. europaeus might be used to treat infections due to its very low MIC against S. aureus.
CITATION STYLE
Aidy, A., Bahmani, M., Pirhadi, M., Kaviar, V. H., Karimi, E., & Abbasi, N. (2022). Phytochemical Analysis and Antimicrobial Effect of Essential Oil and Extract of Loranthus europaeus Jacq. on Acinetobacter baumannii, Staphylococcus aureus, and Pseudomonas aeruginosa. Kafkas Universitesi Veteriner Fakultesi Dergisi, 28(2), 161–167. https://doi.org/10.9775/kvfd.2021.26626
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