Title: Evaluation of biological activities of two essential oils as a safe environmental bioinsecticides: case of Eucalyptus globulus and Rosmarinus officinalis

Authors (ORCID): AINANE, A. (0000-0002-5004-6416), MOHAMED ABDOUL-LATIF, F. (0000-0001-7213-4700), MOHAMED ABDOUL-LATIF, T., AINANE, T. (0000-0001-6743-2666)

Keywords: Eucalyptus globulus, Rosmarinus officinalis, essential oils, insecticidal activity, microbial activity

Abstract: All works of this article were conducted to investigate chemical composition and insecticidal and antimicrobial properties of Eucalyptus globulus and Rosmarinus officinalis essential oils isolated by hydro-distillation of its aerial parts. Analysis of the essential oils on the basis of gas chromatography and mass spectrometry (GC/FID and GC/MS) revealed the presence of 82 organic volatiles representing 98.63% of the total constituents of Eucalyptus globulus and the presence of 45 organic volatiles representing 98.53% of the total constituents of Rosmarinus officinalis. The major compounds for Eucalyptus globulus were estragole (28.14%), terpinolene (7.12%), 1,4-hexadiene-5-methyl-3-(1-methylethylidene) (7.01%), linalool (5.54%) and furfural (4.66%) and for Rosmarinus officinalis were (-)-camphor (31.16%) and ß-caryophyllene (18.55%), 3,4-dimethyl-(Z,Z)-2,4-Hexadiene (9.08%), ?-fenchene (4.67%), cis-verbenone (4.33%) and Bornyl acetate (3.4%). The efficacy of the two essential oils was evaluated on the insect pests Sitophilus granarius of wheat and was remarkable with lethal doses of 50% tending towards 1 µL·cm–3. The broth microdilution method as a complementary test was conducted to test the antimicrobial activity of the essential oil against: Staphylococcus aureus, Enterococcus faecium, Listeria monocytogenes, Bacillus subtilis, Escherichia coli, Yersinia enterocolitica, Pseudomonas aeruginosa and Candida albicans, further for the two oils of shows promising activity against all strains.

DOI: 10.22630/PNIKS.2020.29.4.47

APA style references: Ainane, A., Mohamed Abdoul-Latif, F., Mohamed Abdoul-Latif, T. & Ainane, T. (2020). Evaluation of biological activities of two essential oils as a safe environmental bioinsecticides: case of Eucalyptus globulus and Rosmarinus officinalis. Scientific Review Engineering and Environmental Sciences, 29 (4), 544-556. doi: 10.22630/PNIKS.2020.29.4.47

APA style citation in text: The first time citation in text: (Ainane, Mohamed Abdoul-Latif, Mohamed Abdoul-Latif & Ainane, 2020), next citation: (Ainane et al., 2020)

Chicago style references: Ainane, Ayoub, Fatouma Mohamed Abdoul-Latif, Talal Mohamed Abdoul-Latif, Tarik Ainane. "Evaluation of biological activities of two essential oils as a safe environmental bioinsecticides: case of Eucalyptus globulus and Rosmarinus officinalis." Scientific Review Engineering and Environmental Sciences, 90 ser., vol. 29, no 4, (2020): 544-556. doi: 10.22630/PNIKS.2020.29.4.47.

Chicago style citation in text: (Ainane et al. 2020)

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