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Essential Oil of Myrtus communis L. as a Potential Antioxidant and Antimutagenic Agents
Department of Chemistry, Biochemistry and Environmental Protection, University of Novi Sad Faculty of Sciences. Trg Dositeja Obradovica 3. 21 000 Novi Sad, Serbia
Chair of Microbiology, Faculty of Biology, University of Belgrade. Studentski Trg 3/II, 11 000 Belgrade, Serbia
Deparatment of Pharmacognosy and Chemistry of Natural Products, University of Athens, Panepistimioupolis, Zografou 157 71, Athens, Greece
* Author to whom correspondence should be addressed.
Received: 20 January 2010; in revised form: 9 February 2010 / Accepted: 1 March 2010 / Published: 15 April 2010
Abstract: The present study describes DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging activity and antimutagenic properties of the essential oil of myrtle (Myrtus communis L.). Plant samples were collected from the two distant localities (southernmost and northern point) of the Montenegro coastline. Chemical profiles of the two samples were evaluated by GC-MS. In both of the samples monoterpenes were found to be the predominant compounds. Among them a-pinene, linalool, 1,8-cineole, and myrtenyl acetate were the major compounds. Significant differences between the samples were found in the ranges of a-pinene (14.7%–35.9%) and myrtenyl acetate (5.4%–21.6%). Both oils exhibited moderate DPPH scavenging activity, with IC50 values of 6.24 mg/mL and 5.99 mg/mL. The antimutagenic properties were assayed against spontaneous and t-BOOH-induced mutagenesis in Escherichia coli oxyR mutant IC202, a bacterial strain deficient in removing ROS. Reduction of the spontaneous mutagenesis in presence of myrtle EO was only slight, up to 13% at the highest concentration tested. When the oxidative mutagen was used, EO expressed higher reduction of mutagenesis, in a concentration dependent manner, with statistical significance for effect at the highest concentration tested (28%). Suppression of t-BOOH induced mutagenesis was correlated with the observed scavenging activity.
Keywords: Myrtus communis L.; essential oil; a-pinene; 1,8-cineole; myrtenyl acetate; mutagenesis; DPPH test
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Mimica-Dukić, N.; Bugarin, D.; Grbović, S.; Mitić-Ćulafić, D.; Vuković-Gačić, B.; Orčić, D.; Jovin, E.; Couladis, M. Essential Oil of Myrtus communis L. as a Potential Antioxidant and Antimutagenic Agents. Molecules 2010, 15, 2759-2770.
Mimica-Dukić N, Bugarin D, Grbović S, Mitić-Ćulafić D, Vuković-Gačić B, Orčić D, Jovin E, Couladis M. Essential Oil of Myrtus communis L. as a Potential Antioxidant and Antimutagenic Agents. Molecules. 2010; 15(4):2759-2770.
Mimica-Dukić, Neda; Bugarin, Dušan; Grbović, Slavenko; Mitić-Ćulafić, Dragana; Vuković-Gačić, Branka; Orčić, Dejan; Jovin, Emilija; Couladis, Maria. 2010. "Essential Oil of Myrtus communis L. as a Potential Antioxidant and Antimutagenic Agents." Molecules 15, no. 4: 2759-2770.