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Chemical composition and antibacterial activities of seven Eucalyptus species essential oils leaves
Open accessAbstract
BACKGROUND: In this paper, we have studied the essential oils chemical composition of the leaves of seven Eucalyptus species developed in Tunisia. Eucalyptus leaves were picked from trees growing in different arboretums in Tunisia. Choucha and Mrifeg arboretums located in Sedjnene, region of Bizerte (Choucha: E. maideni, E. astrengens et E. cinerea; Mrifeg : E. leucoxylon), Korbous arboretums located in the region of Nabeul, North East Tunisia with sub-humid bioclimate, (E. lehmani), Souiniet-Ain Drahem arboretum located in region of Jendouba (E. sideroxylon, E. bicostata). Essential oils were individually tested against a large panel of microorganisms including Staphylococcus aureus (ATCC 6539), Escherichia coli (ATCC 25922), Enterococcus faecalis (ATCC29212), Listeria ivanovii (RBL 30), Bacillus cereus (ATCC11778). RESULTS: The yield of essential oils ranged from 1.2% to 3% (w/w) for the different Eucalyptus species. All essential oils contain α-pinene, 1,8-cineol and pinocarveol-trans for all Eucalyptus species studied. The 1,8-cineol was the major compound in all species (49.07 to 83.59%). Diameter of inhibition zone of essential oils of Eucalyptus species varied from 10 to 29 mm. The largest zone of inhibition was obtained for Bacillus cereus (E. astrengens) and the lowest for Staphylococcus aureus (E. cinerea). The essential oils from E. maideni, E. astrengens, E. cinerea (arboretum of Bizerte), E. bicostata (arboretum of Aindraham) showed the highest antibacterial activity against Listeria ivanovii and Bacillus cereus. CONCLUSION: The major constituents of Eucalyptus leaves essential oils are 1,8-cineol (49.07 to 83.59%) and α-pinene (1.27 to 26.35%). The essential oils from E. maideni, E. astrengens, E. cinerea, E. bicostata showed the highest antibacterial activity against Listeria ivanovii and Bacillus cereus, they may have potential applications in food and pharmaceutical products.
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Cited by
Biological Activities of Essential Oils: From Plant Chemoecology to Traditional Healing Systems
Sharifi-Rad, J., Sureda, A., Tenore, G., Daglia, M., Sharifi-Rad, M., Valussi, M., Tundis, R., Sharifi-Rad, M., Loizzo, M., Ademiluyi, A., et al. (2017) · Molecules · doi:10.3390/molecules22010070 · Cited by 889
Essential Oils as Antimicrobial Agents—Myth or Real Alternative?
Wińska, K., Mączka, W., Łyczko, J., Grabarczyk, M., Czubaszek, A., & Szumny, A. (2019) · Molecules · doi:10.3390/molecules24112130 · Cited by 591
Biological, medicinal and toxicological significance of Eucalyptus leaf essential oil: a review
Dhakad, A. K., Pandey, V. V., Beg, S., Rawat, J. M., & Singh, A. (2018) · Journal of the Science of Food and Agriculture · doi:10.1002/jsfa.8600 · Cited by 346
1,8-Cineole: a review of source, biological activities, and application
Cai, Z.-M., Peng, J.-Q., Chen, Y., Tao, L., Zhang, Y.-Y., Fu, L.-Y., Long, Q.-D., & Shen, X.-C. (2021) · Journal of Asian Natural Products Research · doi:10.1080/10286020.2020.1839432 · Cited by 308
Ameur, E., Sarra, M., Yosra, D., Mariem, K., Nabil, A., Lynen, F., & Larbi, K. M. (2021) · BMC Complementary Medicine and Therapies · doi:10.1186/s12906-021-03379-y · Cited by 36
Metadata
- Authors
- Sebei, K., Sakouhi, F., Herchi, W., Khouja, M., & Boukhchina, S.
- Venue
- Biological Research
- Published
- 2015
- Volume
- 48
- Issue
- 1
- Pages
- 7
- ISSN
- 0716-9760 (ISSN-L)
- 0717-6287
- OpenAlex
- W2100641417
- Cited by
- 247
- References
- 0
- FWCI
- 10.45
- Type
- journal article
- Language
- en
- Open access
- gold
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- Sebei, K., Sakouhi, F., Herchi, W., Khouja, M., & Boukhchina, S. (2015). Chemical composition and antibacterial activities of seven Eucalyptus species essential oils leaves. Biological Research. https://doi.org/10.1186/0717-6287-48-7
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