Antimicrobial and Antioxidant Activities of Melissa officinalis L. (Lamiaceae) Essential Oil

The present study describes antimicrobial and free radical scavenging capacity (RSC) together with the effects on lipid peroxidation (LP) of Melissa officinalis essential oil. The chemical profile of essential oil was evaluated by the means of gas chromatography−mass spectrometry (GC-MS) and thin-la...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2004-05, Vol.52 (9), p.2485-2489
Main Authors: Mimica-Dukic, Neda, Bozin, Biljana, Sokovic, Marina, Simin, Natasa
Format: Article
Language:English
Subjects:
Anti-Infective Agents - analysis
Anti-Infective Agents - pharmacology
Antioxidants - analysis
Antioxidants - pharmacology
Bacteria - drug effects
Chromatography, Thin Layer
Free Radical Scavengers - pharmacology
Fungi - drug effects
Gas Chromatography-Mass Spectrometry
Lamiaceae
Lipid Peroxidation - drug effects
Melissa - chemistry
Melissa officinalis
Oils, Volatile - chemistry
Plant Oils - chemistry
Shigella
Trichophyton
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Summary:The present study describes antimicrobial and free radical scavenging capacity (RSC) together with the effects on lipid peroxidation (LP) of Melissa officinalis essential oil. The chemical profile of essential oil was evaluated by the means of gas chromatography−mass spectrometry (GC-MS) and thin-layer chromatography (TLC). RSC was assessed measuring the scavenging activity of essential oil on the 2,2-diphenyl-1-picrylhydrazyl (DPPH•) and OH• radicals. The effect on LP was evaluated following the activities on Fe2+/ascorbate and Fe2+/H2O2 systems of induction. The antimicrobial activity was tested against 13 bacterial strains and six fungi. The examined essential oil exhibited very strong RSC, reducing the DPPH radical formation (IC50 = 7.58 μg/mL) and OH radical generation (IC50 = 1.74 μg/mL) in a dose-dependent manner. According to the GC-MS and TLC (dot-blot techniques), the most powerful scavenging compounds were monoterpene aldehydes and ketones (neral/geranial, citronellal, isomenthone, and menthone) and mono- and sesquiterpene hydrocarbons (E-caryophyllene). Very strong inhibition of LP, particularly in the Fe2+/H2O2 system of induction (94.59% for 2.13 μg/mL), was observed in both cases, also in a dose-dependent manner. The most effective antibacterial activity was expressed on a multiresistant strain of Shigella sonei. A significant rate of antifungal activity was exhibited on Trichophyton species. Keywords: Melissa officinalis; Lamiaceae; essential oil; GC-MS; antimicrobial activity; antioxidant activity; DPPH radical; OH radical; LP
ISSN:0021-8561
1520-5118
DOI:10.1021/jf030698a