Antimicrobial activity of Eucalyptus camaldulensis essential oils and their interactions with conventional antimicrobial agents against multi-drug resistant Acinetobacter baumannii

Knežević, Petar; Aleksić, Verica; Simin, Nataša; Svirčev, Emilija; Petrović, Aleksandra; Mimica‐Dukić, Neda

doi:10.1016/j.jep.2015.12.008

Cited by 172 publications

(109 citation statements)

References 42 publications

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“…In combination with conventional antibiotics (ciprofloxacin, gentamicin and polymyxin B), the examined essential oils showed synergistic antibacterial effect. The synergistic interaction was confirmed by time-kill curves for Eucalyptus camaldulensis essential oil and polymyxin B combination which reduced bacterial count under detection limit very fast, after 6h of incubation [150].The in vitro antimicrobial activities of the crude oil of Eucalyptus camaldulensis leave was investigated against Escherichia coli and Staphylococcus aureus. The diameter of zones of inhibition by the crude oil of leaf extracts of Eucalyptus camaldulensis was 10-31mm and 10-26mm for Escherichia coli and Staphylococcus aureus.…”

Section: Antimicrobial Effectmentioning

confidence: 76%

The pharmacological and therapeutic importance of Eucalyptus species grown in Iraq

Al-Snafi¹

2017

IOSRPHR

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Abstract:-Eucalyptus species grown in Iraq were included Eucalyptus bicolor (Syn: Eucalyptus largiflorens), Eucalyptus griffithsii, Eucalyptus camaldulensis (Syn: Eucalyptus rostrata) Eucalyptus incrassate, Eucalyptus torquata and Eucalyptus microtheca (Syn: Eucalyptus coolabahs). Eucalypts contained volatile oils which occurred in many parts of the plant, depending on the species, but in the leaves that oils were most plentiful. The main constituent of the volatile oil derived from fresh leaves of Eucalyptus species was 1,8-cineole. The reported content of 1,8-cineole varies for 54-95%. The most common constituents co-occurring with 1,8-cineole were limonene, α-terpineol, monoterpenes, sesquiterpenes, globulol and α , β and ϒ-eudesmol, and aromatic constituents. The pharmacological studies revealed that Eucalypts possessed gastrointestinal, antiinflammatory, analgesic, antidiabetic, antioxidant, anticancer, antimicrobial, antiparasitic, insecticidal, repellent, oral and dental, dermatological, nasal and many other effects. The current review highlights the chemical constituents and pharmacological and therapeutic activities of Eucalyptus species grown in Iraq.

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Section: Antimicrobial Effectmentioning

confidence: 76%

The pharmacological and therapeutic importance of Eucalyptus species grown in Iraq

Al-Snafi¹

2017

IOSRPHR

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“…The most polar fraction obtained from Cistus ladaniferus Gouan ex Steud EO, which was mainly constituted by mono-and sesquiterpene alcohols, were reported to induce cell wall distortion with an outer cytoplasmic membrane detachment in a multidrug resistant strain of Enterobacter aerogenes [12]. Likewise, Knezevic et al [13] reported that Eucalyptus camaldulensis Dehnh. and Myrtus communis L. EOs were tested against multidrug resistant Acinetobacter baumannii wound isolates and were found to demonstrate antibacterial effects when administered alone, but also reported synergistic effects when combined with antibiotics.…”

Section: Antibacterial Activitymentioning

confidence: 99%

Plant Essential Oil: An Alternative to Emerging Multidrug Resistant Pathogenso

2017

JMEN

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“…Knezevic et al [25] confirmed the antimicrobial activity of essential oils of Eucalyptus camaldulensis against Acinetobacter baumannii bacteria, demonstrating the possibility of using this oil together with conventional antibiotics and confirming synergistic interactions between the two compounds in order to develop new strategies for infection treatment and reduce the dose of antibiotics used.…”

Section: Antimicrobial Activity and Mechanism Of Actionmentioning

confidence: 93%

“…Essential oils or their components not only have antibacterial properties [22,23,25,32,33] but also have antiparasitic [34,35], antiviral [36,37], antifungal [38][39][40], and antioxidant properties [32,41,42].…”

Section: Miscellaneous Propertiesmentioning

confidence: 99%

β-Cyclodextrins as Encapsulating Agents of Essential Oils

Capelezzo¹,

Mohr²,

Dalcanton³

et al. 2018

Cyclodextrin - A Versatile Ingredient

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Many scientific studies have made advances in the ability to encapsulate natural extracts by cyclodextrins. These studies have addressed the physical and chemical conditions of the encapsulation reactions, employed several types of essential oils and characterized the microcapsules as to their ability to release encapsulated active principles. The essential oils studies with cyclodextrin encapsulation processes have been highly varied. However, the most studied are the essential oils with antimicrobial and antioxidant capacities. The essential antimicrobial and antioxidant oils are easily degraded. In the presence of oxygen, they are oxidized, and at low temperatures, they are volatilized and decomposed. Thus, cyclodextrins are coatings capable of protecting these essential oils from environmental conditions and agents capable of promoting oil degradation, in addition to controlling their release. In this chapter of the book, we review scientific papers that examine the encapsulation of antimicrobial essential oils and antioxidant essential oils with β-cyclodextrins.

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Antimicrobial activity of Eucalyptus camaldulensis essential oils and their interactions with conventional antimicrobial agents against multi-drug resistant Acinetobacter baumannii

Cited by 172 publications

References 42 publications

The pharmacological and therapeutic importance of Eucalyptus species grown in Iraq

The pharmacological and therapeutic importance of Eucalyptus species grown in Iraq

Plant Essential Oil: An Alternative to Emerging Multidrug Resistant Pathogenso

β-Cyclodextrins as Encapsulating Agents of Essential Oils

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