Aroma profile of Eucalyptus globulus: collected from North West Karnataka, India

Joshi, R K

doi:10.3126/sw.v10i10.6870

Cited by 10 publications

(7 citation statements)

References 5 publications

(5 reference statements)

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“…The oil yield of E. camaldulensis from Jerusalem was 0.5% (Chalchat et al, 2000) and significantly higher oil yield was reported for E. camaldulensis from Taiwan: 2.3-3.0% with respect to different seasons (Shieh, 1996). Similar EOs yield (0.77-2.53%) has been reported for E. globulus, as one of the economically important plants for essential oil production (Joshi, 2012;Selvakumar et al, 2012;Harkat-Madouri et al, 2015). The reported essential oil yield for other Eucalyptus species is slightly higher, ranging from 1.2% to 3% (w/w): the highest yield was obtained from E. cinerea F. (Sebei et al, 2015).…”

Section: Eucalyptus Camaldulensis Essential Oil Chemical Compositionsupporting

confidence: 75%

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Sabo

Knežević

2019

Industrial Crops and Products

159

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A B S T R A C TEucalyptus has become one of the world's most widely planted genera and E. camaldulensis (The River Red Gum) is a plantation species in many parts of the world. The plant traditional medical application indicates great antimicrobial properties, so E. camaldulensis essential oils and plant extracts have been widely examined. Essential oil of E. camaldulensis is active against many Gram positive (0.07-1.1%) and Gram negative bacteria (0.01-3.2%). The antibacterial effect is confirmed for bark and leaf extracts (conc. from 0.08 μg/mL to 200 mg/ mL), with significant variations depending on extraction procedure. Eucalyptus camaldulensis essential oil and extracts are among the most active against bacteria when compared with those from other species of genus Eucalyptus. The most fungal model organisms are sensitive to 0.125-1.0% of E. camaldulensis essential oil. The extracts are active against C. albicans (0.2-200 mg/mL leaf extracts and 0.5 mg/mL bark extracts), and against various dermatophytes. Of particular importance is considerable the extracts' antiviral activity against animal and human viruses (0.1-50 μg/mL). Although the antiprotozoal activity of E. camaldulensis essential oil and extracts is in the order of magnitude of concentration several hundred mg/mL, it is considerable when taking into account current therapy cost, toxicity, and protozoal growing resistance. Some studies show that essential oils' and extracts' antimicrobial activity can be further potentiated in combinations with antibiotics (beta-lactams, fluorochinolones, aminoglycosides, polymyxins), antivirals (acyclovir), and extracts of other plants (e.g. Annona senegalensis; Psidium guajava). The present data confirm the river red gum considerable antimicrobial properties, which should be further examined with particular attention to the mechanisms of antimicrobial activity.limited number of antiprotozoal and antiviral agents (El-Taweel, 2015;Irwin et al., 2016). This highlights the necessity for examination of new antimicrobial agents and treatment strategies of infections caused by the mentioned microorganisms.The plant kingdom represents the source of various medicines. Indeed, since ancient times medicinal plants play an important role of health care population and could represent a significant source of new antimicrobial drugs for combating pan-and multi-drug resistant microorganisms. These new antimicrobial agents could be hidden in medicinal plant extracts and essential oils. One of the significant medicinal plants is Eucalyptus camaldulensis. Thus, this review represents the summary of previous researches data, regarding chemical composition, antimicrobial activity, and other significant effects of Eucalyptus camaldulensis.

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Section: Eucalyptus Camaldulensis Essential Oil Chemical Compositionsupporting

confidence: 75%

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Sabo

Knežević

2019

Industrial Crops and Products

159

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“…Although E. globulus is not highly invasive in the non‐native regions included in our study (Becerra, ; Cal‐IPC, ; Kirkpatrick, ), Eucalyptus species are important forestry species, with thousands of hectares planted around the world (Boyd, ; Dixit et al, ; Joshi, ; Rejmánek et al, ). Thus, our results are also relevant to the conservation of biodiversity within plantations.…”

Section: Discussionmentioning

confidence: 95%

“…is one of the most common (Boyd, ). This species has been introduced around the world for wood products and horticulture (Becerra, ; Boyd, ; Dixit, Rohilla, & Singh, ; Joshi, ; Rejmánek, Richardson, Higgins, Pitcairn, & Grotkopp, ). Eucalyptus globulus does not commonly spread into native vegetation and thus is not usually considered a strongly “invasive” species (but see Boyd, ; Becerra, ).…”

Section: Introductionmentioning

confidence: 99%

Inhibitory effects of Eucalyptus globulus on understorey plant growth and species richness are greater in non‐native regions

Becerra

Catford

Inderjit

et al. 2017

Global Ecol Biogeogr

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Aim: We studied the novel weapons hypothesis in the context of the broadly distributed tree species Eucalyptus globulus. We evaluated the hypothesis that this Australian species would produce stronger inhibitory effects on species from its non-native range than on species from its native range. Location:We worked in four countries where this species is exotic (U.S.A., Chile, India, Portugal) and one country where it is native (Australia). Major taxa studied: Plants. Methods:We compared species composition, richness and height of plant communities in 20 paired plots underneath E. globulus individuals and open areas in two sites within its native range and each non-native region. We also compared effects of litter leachates of E. globulus on root growth of seedlings in species from Australia, Chile, the U.S.A. and India.Results: In all sites and countries, the plant community under E. globulus canopies had lower species richness than did the plant community in open areas. However, the reduction was much greater in the non-native ranges: species richness declined by an average of 51% in the eight nonnative sites versus 8% in the two native Australian sites. The root growth of 15 out of 21 species from the non-native range were highly suppressed by E. globulus litter leachates, whereas the effect of litter leachate varied from facilitation to suppression for six species native to Australia.The mean reduction in root growth for Australian plants was significantly lower than for plants from the U.S.A., Chile and India.Main conclusions: Our results show biogeographical differences in the impact of an exotic species on understorey plant communities. Consistent with the novel weapons hypothesis, our findings suggest that different adaptations of species from the native and non-native ranges to biochemical compounds produced by an exotic species may play a role in these biogeographical differences.

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“…In India there are number of Eucalptus species available such as E. tereticornis, E. grandis, E. citriodora, E. globulus, and E. camaldulensis. There are various studies available on chemical composition and antimicrobial activity of essential oil of Eucalyptus of Indian origin 19,20 but to the best of my knowledge, no report is available on the chemical constituents of Eucalyptus globulus leave essential oil grown in Dehradun, India.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study of the Chemical Composition of the Essential oil from Eucalyptus globulus Growing in Dehradun (india) and Around the World

Joshi¹,

Sharma²,

Bachheti³

et al. 2016

Orient. J. Chem

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Due to increasing use of natural products, essential oil are also in great demand in various field such as pharmaceutical, cosmetic and food industries. The aim of this study is to determine the chemical composition of essential oil of Eucalyptus globulus grown in Dehradun, India. A total of twenty seven compounds were identified from the essential oil, by Gas chromatography mass spectroscopy representing 100 % of the total oil. The dominant compounds being Eucalyptol (1,8-cineole) 54.79 %, â-pinene 18.54 % á-pinene 11.46 %, â-eudesmol 4.68%, á-phellandrene 2.06% Para cymene 1.60% and Gamma-eudesmol 1.20%. Comparison of the literature on essential oil from Eucalyptus globulus around the world (seven countries) suggested eight compounds that were uniquely present only in Dehradun essential oil sample. Thus, the present study suggested that Eucalyptus globulus growing in Dehradun contains several volatile compounds that are not reported in other Eucalyptus globulus essential oil around the world.

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Aroma profile of Eucalyptus globulus: collected from North West Karnataka, India

Cited by 10 publications

References 5 publications

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Antimicrobial activity of Eucalyptus camaldulensis Dehn. plant extracts and essential oils: A review

Inhibitory effects of Eucalyptus globulus on understorey plant growth and species richness are greater in non‐native regions

A Comparative Study of the Chemical Composition of the Essential oil from Eucalyptus globulus Growing in Dehradun (india) and Around the World

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