Chemical Composition and Antimicrobial and Antioxidant Activities of Mentha (longifolia L. and viridis) Essential Oils. - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Food Science Année : 2009

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

Mounira Mkaddem
  • Fonction : Auteur
Monia Ennajar
  • Fonction : Auteur
Florence Mathieu
Mehrez Romdhane

Résumé

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.
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hal-03608871 , version 1 (15-03-2022)

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Mounira Mkaddem, Jalloul Bouajila, Monia Ennajar, Ahmed Lebrihi, Florence Mathieu, et al.. Chemical Composition and Antimicrobial and Antioxidant Activities of Mentha (longifolia L. and viridis) Essential Oils.. Journal of Food Science, 2009, 74 (7), pp.M358-M363. ⟨10.1111/J.1750-3841.2009.01272.X⟩. ⟨hal-03608871⟩
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