Chemodiversity and Antimicrobial Activities of Eucalyptus spp. Essential Oils

Hajer Ammar; Yassine M’Rabet; Sawsan Hassan; Mireille Chahine; Mario De Haro-Marti; Walid Soufan; Sonia Andres; Secundino López; Karim Hosni

doi:10.20944/preprints202311.1243.v1

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preprints.org > chemistry and materials science > medicinal chemistry > doi: 10.20944/preprints202311.1243.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Chemodiversity and Antimicrobial Activities of Eucalyptus spp. Essential Oils

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Version 1 : Received: 17 November 2023 / Approved: 20 November 2023 / Online: 20 November 2023 (12:42:01 CET)

How to cite: Ammar, H.; M’Rabet, Y.; Hassan, S.; Chahine, M.; De Haro-Marti, M.; Soufan, W.; Andres, S.; López, S.; Hosni, K. Chemodiversity and Antimicrobial Activities of Eucalyptus spp. Essential Oils. Preprints 2023, 2023111243. https://doi.org/10.20944/preprints202311.1243.v1 Ammar, H.; M’Rabet, Y.; Hassan, S.; Chahine, M.; De Haro-Marti, M.; Soufan, W.; Andres, S.; López, S.; Hosni, K. Chemodiversity and Antimicrobial Activities of Eucalyptus spp. Essential Oils. Preprints 2023, 2023111243. https://doi.org/10.20944/preprints202311.1243.v1

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MDPI and ACS Style

Ammar, H.; M’Rabet, Y.; Hassan, S.; Chahine, M.; De Haro-Marti, M.; Soufan, W.; Andres, S.; López, S.; Hosni, K. Chemodiversity and Antimicrobial Activities of Eucalyptus spp. Essential Oils. Preprints 2023, 2023111243. https://doi.org/10.20944/preprints202311.1243.v1

APA Style

Ammar, H., M’Rabet, Y., Hassan, S., Chahine, M., De Haro-Marti, M., Soufan, W., Andres, S., López, S., & Hosni, K. (2023). Chemodiversity and Antimicrobial Activities of Eucalyptus spp. Essential Oils. Preprints. https://doi.org/10.20944/preprints202311.1243.v1

Chicago/Turabian Style

Ammar, H., Secundino López and Karim Hosni. 2023 "Chemodiversity and Antimicrobial Activities of Eucalyptus spp. Essential Oils" Preprints. https://doi.org/10.20944/preprints202311.1243.v1

Abstract

The leaf essential oils from five Eucalyptus spp.: E. astringens, E. camaldulensis, E. lehmanii, E. leucoxylon and E. sideroxylon growing in the same plantation area and conditions (plants with the same age and subjected to the same agronomic practices) were analyzed and evaluated for their antimicrobial activity. The essential oil yields ranged from 0.14 to 0.96% (w/w), and their chromatographic profiles were resolved into 48 compounds; among them, 11 were common to all essential oils. Terpenoids (oxygenated mono, and sesquiterpenes) dominated (55.66-76.67%) the oil profiles. Although 1,8-cineole (21.97-50.93%) was found as the main oxygenated monoterpene in all examined essential oils, principal component analysis observed and confirmed an interspecific chemical variability. Additionally, a set of distinctive chemical markers that could serve as a reliable tool for discrimination of Eucalyptus species and for authentication and quality control purposes (for commercial samples) has been defined for each essential oil. The antimicrobial disc-diffusion assay results revealed that all essential oils were endowed with a strong antimicrobial activity, with those derived from E. camaldulensis, E. lehmanii and E. leucoxylon being the most active.

Keywords

Eucalyptus spp.; Essential oil; Chemical polymorphism; Distinctive chemical markers; Antimicrobials

Subject

Chemistry and Materials Science, Medicinal Chemistry

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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