The Chemical Diversity of <i>Eucalyptus</i> spp. Essential Oils from Plants Grown in Brazil

Nam, Anne-Marie; Tomi, Félix; Gibernau, Marc; Casanova, Joseph; Bighelli, Ange

doi:10.1002/cbdv.201600097

Cited by 13 publications

(12 citation statements)

References 53 publications

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“…E. alba leaves were also richer in essential oils than those obtained from Nigeria (0.28 %), Congo (0.22 %), Burkinafaso (1.2 %), Bangladesh (0.85 %), and Senegal (0.6–0.9 %) . Compared to our findings, the leaves of E. paniculata harvested from Uruguay, Morocco and Brazil were relatively poor in essential oils yields (0.23, 0.1 and 0.6 %). Compared to the results obtained by Ben Hassine et al., the leaves of E. bicolor which were harvested at wintertime from Sidi Smail arboreta, region of Monastir, Tunisia were much poorer in essential oil than those harvested at springtime.…”

Section: Resultssupporting

confidence: 88%

Chemical Characterization of Five Tunisian Eucalyptus Essential Oils Species

Elaissi

Moumni

Roeleveld

et al. 2019

Chemistry & Biodiversity

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Hydrodistillation of the dried leaves of five Eucalyptus species, E. alba REINW. ex BLUME, E. citriodora HOOK., E. paniculata SM., harvested from Choucha arboreta (region of Sejnane, northwest of Tunisia), E. pimpiniana MAIDEN from Mjez Elbab arboreta (north east of Tunisia) and E. bicolor A.CUNN ex HOOK from Sidi Smail arboreta (center of Tunisia), in March 2017, afforded essential oils in yields varying from 1.3 � 0.2 to 6.0 � 0.9 % according to the species. E. citriodora provided the highest mean percentage of essential oil amongst all the species. Analysis by GC (RI) and GC/MS allowed the identification of 138 components representing 84.6 -98.7 % of the total oil. The content of the different samples varied according to the species. The main components were citronellol, followed by 1, 8-cineole, α-pinene, τ-cadinol, 7-epi-α-eudesmol, trans-pinocarveol, spathulenol, aromadendrene, γ-cadinene and δ-cadinene. The principal components and the hierarchical cluster analyses separated the five leaf essential oils into three groups, each group constituted a chemotype.

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Section: Resultssupporting

confidence: 88%

Chemical Characterization of Five Tunisian Eucalyptus Essential Oils Species

Elaissi

Moumni

Roeleveld

et al. 2019

Chemistry & Biodiversity

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“…A 1,8-cineole chemotype was found in plants cultivated in Rio Grande do Sul state [116]. Chemotypes presenting α-pinene as major component were found in plants cultivated in Minas Gerais state [68], which presented 92.3% of this compound, and in São Paulo state [66,67,132]. Finally, species cultivated in Nigeria [73] constituted a chemotype rich in α-thujene.…”

Section: Chemical Variability Of Eucalyptus Eosmentioning

confidence: 99%

“…Finally, species cultivated in Nigeria [73] constituted a chemotype rich in α-thujene. In all the aforementioned studies of E. saligna EOs, the best extraction yields (1.42%) were obtained in the state of Minas Gerais [68].…”

Section: Chemical Variability Of Eucalyptus Eosmentioning

confidence: 99%

Chemical Variability and Biological Activities of Eucalyptus spp. Essential Oils

2016

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Many plant species produce mixtures of odorous and volatile compounds known as essential oils (EOs). These mixtures play important roles in Nature and have been utilized by mankind for different purposes, such as pharmaceuticals, agrochemicals, aromatherapy, and food flavorants. There are more than 3000 EOs reported in the literature, with approximately 300 in commercial use, including the EOs from Eucalyptus species. Most EOs from Eucalyptus species are rich in monoterpenes and many have found applications in pharmaceuticals, agrochemicals, food flavorants, and perfumes. Such applications are related to their diverse biological and organoleptic properties. In this study, we review the latest information concerning the chemical composition and biological activities of EOs from different species of Eucalyptus. Among the 900 species and subspecies of the Eucalyptus genus, we examined 68 species. The studies associated with these species were conducted in 27 countries. We have focused on the antimicrobial, acaricidal, insecticidal and herbicidal activities, hoping that such information will contribute to the development of research in this field. It is also intended that the information described in this study can be useful in the rationalization of the use of Eucalyptus EOs as components for pharmaceutical and agrochemical applications as well as food preservatives and flavorants.

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“…Compare to the other studies this result relatively similar although vary in the percentage. The main compound of E. urophylla oil from Taiwan was 1,8-cineole (58.3 %) (Cheng et al, 2009) and from Brazil was also 1,8-cineole (65.4 %) (Filomeno et al, 2016). Variation in the percentage of 1,8-cineole content was probably due to the variation of chemotype, site, rainfall, and nutrition content of the soil that could affect plant metabolism.…”

Section: Chemical Compounds Of E Urophylla Oilmentioning

confidence: 98%

Antifungal Activity of Eucalyptus urophylla Oil Against Aspergillus niger and Fusarium oxysporum

Pujiarti

Nurjanto²,

Sunarta³

2018

Agrivita.J.Agr.Sci

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Essential oils obtained from Eucalyptus posses many bioactivities as fungicidal, antimicrobial, insecticidal and other activities. This study elucidated chemical compounds and antifungal activity of Eucalyptus urophylla leaves oil. Effectiveness of E. urophylla leaves oil were evaluated as antifungal against pathogenic fungi of A. niger and F. oxysporum. Eucalyptus urophylla oil was obtained by hydrodistillation method from fresh leaves of E. urophylla. Gas chromatography-mass spectrometry (GC-MS) analysis was used to analyze the chemical compounds of E. urophylla oil. Antifungal activity of E. urophylla oil was tested with in-vitro assay against A. niger and F. oxysporum strains with five levels of oil concentration (1 mg ml -1 ; 5 mg ml -1 ; 10 mg ml -1 ; 15 mg ml -1 ; 20 mg ml -1 ). GC-MS analysis showed the most abundant compounds of E. urophylla oil were 1,8-cineole (66.31 %), α-pinene (16.92 %), α-terpinyl acetate (6.00 %) and γ-terpinene (5.13 %). Antifungal assay showed inhibitory effects of E. urophylla against F. oxysporum with IC 50 = 1.61 mg ml -1 and A. niger with IC 50 = 13.56 mg ml -1 . Antifungal activity of E. urophylla oil in this study was probably due to the presence of 1,8-cineole. Results indicated the possibility of E. urophylla as antifungal against F. oxysporum and A. niger.

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The Chemical Diversity of Eucalyptus spp. Essential Oils from Plants Grown in Brazil

Cited by 13 publications

References 53 publications

Chemical Characterization of Five Tunisian Eucalyptus Essential Oils Species

Chemical Characterization of Five Tunisian Eucalyptus Essential Oils Species

Chemical Variability and Biological Activities of Eucalyptus spp. Essential Oils

Antifungal Activity of Eucalyptus urophylla Oil Against Aspergillus niger and Fusarium oxysporum

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