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Chemical Composition and Antimicrobial and Antioxidant Activities of Mentha (longifolia L. and viridis) Essential Oils

Mkaddem, Mounira and Bouajila, Jalloul and Ennajar, Monia and Lebrihi, Ahmed and Mathieu, Florence and Romdhane, Mehrez Chemical Composition and Antimicrobial and Antioxidant Activities of Mentha (longifolia L. and viridis) Essential Oils. (2009) Journal of Food Science, vol. 74 (n° 7). M358-M363. ISSN 0022-1147

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Official URL: http://dx.doi.org/10.1111/J.1750-3841.2009.01272.X

Abstract

The study was aimed to investigate essential oil chemical composition (gas chromatography/flame ionization detection [GC-FID] and gas chromatography/mass spectrometry [GC-MS]) and antioxidant (1,1-diphenyl-2-picrylhydrazyl free radical (DPPH) and 2,2’-azinobis--ethylbenzothiazoline-6-sulphonate [ABTS] assays) and antimicrobial (Gram-positive and Gram-negative bacteria, fungi, and yeast) activities of essential oils extracted from leaves of Mentha longifolia L. and Mentha viridis. GC-MS analysis revealed that M. longifolia was constituted by pulegone (54.41%) as a major component followed by isomenthone (12.02%), 1,8-cineole (7.41%), borneol (6.85%),and piperitenone oxide (3.19%). M. viridis was rich in carvone (50.47%), 1,8-cineole (9.14%), and limonene (4.87%).The antioxidant activity by ABTS assay showed IC50 values of 476.3 ± 11.7 and 195.1 ± 4.2 mg/L for M. longifolia and M. viridis, respectively, the DPPH assays have resulted in a moderate IC50 (>8000 mg/L and 3476.3 ± 133 mg/L for M. longifolia and M. viridis, respectively). Antimicrobial activity showed that Listeria monocytogenes and Klebsiella pneumoniae bacteria were more inhibited by the 2 essential oils tested. Escherichia coli was least susceptible. A strong activity was also observed on fungi and yeasts. Carvone, thymol, and piperitone oxide have not been detected in Tunisian M. longifolia. Camphor is reported for the 1st time for M. viridis. Antioxidant and antibacterial activities were correlated to chemical composition.

Item Type:Article
Additional Information:Thanks to Wiley-Blackwell editor. The definitive version is available at http://onlinelibrary.wiley.com The original PDF of the article can be found at : http://onlinelibrary.wiley.com/doi/10.1111/j.1750-3841.2009.01272.x/abstract;jsessionid=5F4DA183B8F8A4EC0A33EB4ECDAC70EF.d01t04
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > Université de Gabès (TUNISIA)
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Deposited By: Audrey LEFEVRE
Deposited On:18 Jun 2012 08:40

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