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Natural Product Research
Formerly Natural Product Letters
Volume 34, 2020 - Issue 3
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Short Communications

Chemical composition and antimicrobial activity of essential oil of Helichrysum italicum (Roth) G. Don fil. (Asteraceae) from Montenegro

Alessandra OlivaDepartment of Public Health and Infectious Diseases, Sapienza University, Rome, Italy;
,
Stefania GarzoliDepartment of Drug Chemistry and Technology, Sapienza University, Rome, Italy;
,
Manuela SabatinoDepartment of Drug Chemistry and Technology, Sapienza University, Rome, Italy; ;Rome Center for Molecular Design, Sapienza University, Rome, Italy;
,
Vanja TadićInstitute of Medicinal Plants Research Dr Josif Pančić, Belgrade, Serbia;
,
Silvia CostantiniDepartment of Public Health and Infectious Diseases, Sapienza University, Rome, Italy;
,
Rino RagnoDepartment of Drug Chemistry and Technology, Sapienza University, Rome, Italy; ;Rome Center for Molecular Design, Sapienza University, Rome, Italy; ;Alchemical Dynamics s.r.l, Rome, Italy;
&
Mijat BožovićRome Center for Molecular Design, Sapienza University, Rome, Italy; ;Faculty of Natural Sciences and Mathematics, University of Montenegro, Podgorica, MontenegroCorrespondence[email protected]
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Pages 445-448 | Received 30 Aug 2018, Accepted 16 Oct 2018, Published online: 03 Jan 2019
 
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Abstract

An experimental investigation on essential oil of a Montenegrin Helichrysum italicum (Roth) G. Don fil. (Asteraceae) is reported. The essential oil was analysed in both liquid and vapour phases. Gas chromatography-mass spectrometry analysis of the liquid oil showed the predominance of sesquiterpenes with β-eudesmene (21.65%) and β-bisabolene (19.90%) as the major ones. Monoterpene fraction was mainly represented by α-pinene (16.90%) and neryl acetate (10.66%). Head-space technique revealed the vapour phase enriched of monoterpenes with α-pinene (78.76%) predominance. The essential oil was tested against methicillin-sensitive Staphylococcus aureus (ATCC 29213), Escherichia coli (ATCC 25922), Candida albicans (ATCC 14053) and the clinical strains of methicillin-resistant S. aureus, carbapenem-resistant Klebsiella pneumoniae, carbapenem-resistant Acinetobacter baumannii and carbapenem-resistant Pseudomonas aeruginosa. Interesting fungicidal/bactericidal potency against C. albicans and carbapenem-resistant A. baumannii was revealed at concentration of 5% v/v.

Graphical Abstract

Acknowledgements

The authors are thankful to Agro Life d.o.o. (Podgorica, Montenegro) for providing us the essential oil sample.

Declaration of interest

No potential conflict of interest was reported by the authors.

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