| 3 | Chemical Characterization and Biological Potential of the Essential Oil of Eucalyptus globulus Labill显示文摘Oxidation of lipids in various products,along with the growth of medically important pathogens,has led to a search for medicinal plants with antioxidant and antimicrobial activities.As a result,the aim of this study was to evaluate the antioxidant and antibacterial activity of the essential oil of Eucalyptus globulus(EO-Eg).Antioxidant activity was assessed by using the 2,2-diphenyl-1-picrylhydrazyl hydrate(DPPH)assay method.Existing components were identified through gas chromatography-mass spectrometry(GC-MS)analysis.Antibacterial activity and minimum inhibitory concentration(MIC)were assessed by using the broth microdilution method with standard multidrug-resistant bacterial strains.The main EO-Eg compounds identified by GC-MS were isopulegol,citronellal,and citronellol,which are primarily used in the industrial sectors.EO-Eg demonstrated excellent antioxidant activity with an effective concentration(EC50)of 4.48μL/mL owing to the presence of phenolic compounds.Regarding antibacterial activity,the EO-Eg displayed a broad antimicrobial spectrum of antimicrobial activity across the different resistance phenotypes analyzed.The most notable antibacterial activity was observed against Staphylococcus aureus 169 MRSA(MIC=0.0625%).As a result,our findings suggest that EO-Eg has antioxidant and antibacterial potential against hospital-acquired multidrug-resistant pathogens,which may be correlated with its major components. | Nayara Soares de Mendonca Braga Monizy da Costa Silva Amanda Lima Cunha Antonio Euzebio Goulart Sant’Ana Luana Luzia Santos Pires Aldenir Feitosa dos Santos | 2018 | Journal of Pharmacy and Pharmacology2018，6，12： | 0 |
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