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Chemical Composition and Biological Activities of Eucalyptus globulus Essential Oil

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dc.abstract.enEucalyptus globulus essential oil (EGEO) is considered as a potential source of bioactive compounds with significant biological activity. The aim of this study was to analyze the chemical composition of EGEO, in vitro and in situ antimicrobial activity, antibiofilm activity, antioxidant activity, and insecticidal activity. The chemical composition was identified using gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). The main components of EGEO were 1,8-cineole (63.1%), p-cimene (7.7%), a-pinene (7.3%), and a-limonene (6.9%). Up to 99.2% of monoterpenes were present. The antioxidant potential of essential oil and results indicate that 10 μL of this sample can neutralize 55.44 ± 0.99% of ABTS•+, which is equivalent to 3.22 ± 0.01 TEAC. Antimicrobial activity was determined via two methods: disk diffusion and minimum inhibitory concentration. The best antimicrobial activity was shown against C. albicans (14.00 ± 1.00 mm) and microscopic fungi (11.00 ± 0.00 mm–12.33 ± 0.58 mm). The minimum inhibitory concentration showed the best results against C. tropicalis (MIC 50 2.93 µL/mL, MIC 90 3.17 µL/mL). The antibiofilm activity of EGEO against biofilm-forming P. flourescens was also confirmed in this study. The antimicrobial activity in situ, i.e., in the vapor phase, was significantly stronger than in the contact application. Insecticidal activity was also tested and at concentrations of 100%, 50%, and 25%; the EGEO killed 100% of O. lavaterae individuals. EGEO was comprehensively investigated in this study and information regarding the biological activities and chemical composition of the essential oil of Eucalyptus globulus was expanded.
dc.affiliationWydział Nauk o Żywności i Żywieniu
dc.affiliation.instituteKatedra Technologii Żywności Pochodzenia Roślinnego
dc.contributor.authorČmiková, Natália
dc.contributor.authorGalovičová, Lucia
dc.contributor.authorSchwarzová, Marianna
dc.contributor.authorVukic, Milena D.
dc.contributor.authorVukovic, Nenad L.
dc.contributor.authorKowalczewski, Przemysław
dc.contributor.authorBakay, Ladislav
dc.contributor.authorKluz, Maciej Ireneusz
dc.contributor.authorPuchalski, Czeslaw
dc.contributor.authorKačániová, Miroslava
dc.date.access2025-10-28
dc.date.accessioned2025-10-28T11:51:18Z
dc.date.available2025-10-28T11:51:18Z
dc.date.copyright2023-02-28
dc.date.issued2023
dc.description.abstract<jats:p>Eucalyptus globulus essential oil (EGEO) is considered as a potential source of bioactive compounds with significant biological activity. The aim of this study was to analyze the chemical composition of EGEO, in vitro and in situ antimicrobial activity, antibiofilm activity, antioxidant activity, and insecticidal activity. The chemical composition was identified using gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). The main components of EGEO were 1,8-cineole (63.1%), p-cimene (7.7%), a-pinene (7.3%), and a-limonene (6.9%). Up to 99.2% of monoterpenes were present. The antioxidant potential of essential oil and results indicate that 10 μL of this sample can neutralize 55.44 ± 0.99% of ABTS•+, which is equivalent to 3.22 ± 0.01 TEAC. Antimicrobial activity was determined via two methods: disk diffusion and minimum inhibitory concentration. The best antimicrobial activity was shown against C. albicans (14.00 ± 1.00 mm) and microscopic fungi (11.00 ± 0.00 mm–12.33 ± 0.58 mm). The minimum inhibitory concentration showed the best results against C. tropicalis (MIC 50 2.93 µL/mL, MIC 90 3.17 µL/mL). The antibiofilm activity of EGEO against biofilm-forming P. flourescens was also confirmed in this study. The antimicrobial activity in situ, i.e., in the vapor phase, was significantly stronger than in the contact application. Insecticidal activity was also tested and at concentrations of 100%, 50%, and 25%; the EGEO killed 100% of O. lavaterae individuals. EGEO was comprehensively investigated in this study and information regarding the biological activities and chemical composition of the essential oil of Eucalyptus globulus was expanded.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if4,0
dc.description.number5
dc.description.points70
dc.description.versionfinal_published
dc.description.volume12
dc.identifier.doi10.3390/plants12051076
dc.identifier.issn2223-7747
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/5537
dc.identifier.weblinkhttps://www.mdpi.com/2223-7747/12/5/1076
dc.languageen
dc.relation.ispartofPlants
dc.relation.pagesart. 1076
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enEucalyptus globulus
dc.subject.enchemical composition
dc.subject.enantimicrobial activity
dc.subject.enantioxidant activity
dc.subject.enantibiofilm activity
dc.subject.eninsecticidal activity
dc.subject.envapor phase
dc.titleChemical Composition and Biological Activities of Eucalyptus globulus Essential Oil
dc.title.volumeSpecial Issue Antimicrobial Activity of Natural Compounds
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue5
oaire.citation.volume12