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Chemical Composition and in-Vitro Evaluation of the Antimicrobial and Antioxidant Activities of Essential Oils Extracted from Seven Eucalyptus Species

Molecules (Basel, Switzerland), 2015-11, Vol.20 (11), p.20487-20498 [Peer Reviewed Journal]

Copyright MDPI AG 2015 ;2015 by the authors. 2015 ;ISSN: 1420-3049 ;EISSN: 1420-3049 ;DOI: 10.3390/molecules201119706 ;PMID: 26593893

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Title:
Chemical Composition and in-Vitro Evaluation of the Antimicrobial and Antioxidant Activities of Essential Oils Extracted from Seven Eucalyptus Species
Author: Ghaffar, Abdul ; Yameen, Muhammad ; Kiran, Shumaila ; Kamal, Shagufta ; Jalal, Fatima ; Munir, Bushra ; Saleem, Sadaf ; Rafiq, Naila ; Ahmad, Aftab ; Saba, Iram ; Jabbar, Abdul
Subjects: Anti-Bacterial Agents - chemistry ; Anti-Bacterial Agents - pharmacology ; Anti-Infective Agents - chemistry ; Anti-Infective Agents - pharmacology ; antimicrobial ; antioxidant ; Antioxidants - chemistry ; Antioxidants - pharmacology ; Aspergillus niger ; Bacillus subtilis ; Escherichia coli ; Eucalyptus ; Eucalyptus - chemistry ; Eucalyptus camaldulensis ; Eucalyptus essential oils ; Eucalyptus globulus ; Eucalyptus microtheca ; Eucalyptus tereticornis ; Gas Chromatography-Mass Spectrometry ; GC/MS analysis ; Microbial Sensitivity Tests ; Microtheca ; Oils, Volatile - chemistry ; Oils, Volatile - pharmacology ; Plant Extracts - chemistry ; Plant Extracts - pharmacology ; Rhizopus ; Staphylococcus aureus
Is Part Of: Molecules (Basel, Switzerland), 2015-11, Vol.20 (11), p.20487-20498
Description: Eucalyptus is well reputed for its use as medicinal plant around the globe. The present study was planned to evaluate chemical composition, antimicrobial and antioxidant activity of the essential oils (EOs) extracted from seven Eucalyptus species frequently found in South East Asia (Pakistan). EOs from Eucalyptus citriodora, Eucalyptus melanophloia, Eucalyptus crebra, Eucalyptus tereticornis, Eucalyptus globulus, Eucalyptus camaldulensis and Eucalyptus microtheca were extracted from leaves through hydrodistillation. The chemical composition of the EOs was determined through GC-MS-FID analysis. The study revealed presence of 31 compounds in E. citriodora and E. melanophloia, 27 compounds in E. crebra, 24 compounds in E. tereticornis, 10 compounds in E. globulus, 13 compounds in E. camaldulensis and 12 compounds in E. microtheca. 1,8-Cineole (56.5%), α-pinene (31.4%), citrinyl acetate (13.3%), eugenol (11.8%) and terpenene-4-ol (10.2%) were the highest principal components in these EOs. E. citriodora exhibited the highest antimicrobial activity against the five microbial species tested (Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Aspergillus niger and Rhizopus solani). Gram positive bacteria were found more sensitive than Gram negative bacteria to all EOs. The diphenyl-1-picrylhydazyl (DPPH) radical scavenging activity and percentage inhibition of linoleic acid oxidation were highest in E. citriodora (82.1% and 83.8%, respectively) followed by E. camaldulensis (81.9% and 83.3%, respectively). The great variation in chemical composition of EOs from Eucalyptus, highlight its potential for medicinal and nutraceutical applications.
Publisher: Switzerland: MDPI AG
Language: English
Identifier: ISSN: 1420-3049
EISSN: 1420-3049
DOI: 10.3390/molecules201119706
PMID: 26593893
Source: AUTh Library subscriptions: ProQuest Central
GFMER Free Medical Journals
MEDLINE
PubMed Central
Directory of Open Access Journals
Alma/SFX Local Collection

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Chemical Composition and in-Vitro Evaluation of the Antimicrobial and Antioxidant Activities of Essential Oils Extracted from Seven Eucalyptus Species

Copyright MDPI AG 2015 ;2015 by the authors. 2015 ;ISSN: 1420-3049 ;EISSN: 1420-3049 ;DOI: 10.3390/molecules201119706 ;PMID: 26593893

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