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American Journal of Innovative Research & Applied Sciences
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  | ARTICLES | Am. J. innov. res. appl. sci. Volume 4,  Issue 5, Pages 208-212 (May 2017)
 

American Journal of innovative
Research & Applied Sciences 
ISSN  2429-5396 (Online)
OCLC Number: 920041286
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| MAY | VOLUME 4 | N° 5 | 2017 |
ABSTRACT

Backgound: Lavandula species are one of the most popular aromatic plants and are well-known as herbal medicines with a number of useful biological properties. Objective: To investigate the chemical composition, antioxidant and antibacterial activity of essential oil of lavandula dentate a number of tests were carried out. Methods: The essential oil, was obtained by hydrodistillation, with a 1.4±0.01 (w/w) yield, then the chemical composition was analyzed by gas chromatography coupled with mass spectrometry (GC-MS). The antimicrobial activity of the essential oil evaluated against sex microorganisms (E. Coli, Listeria, S. Aureus, B. Ceraus, P. Aeruginosa and Salmonella Enteritidis) using paper disc diffusion method. The anti-free radical activity was assayed using DPPH• and ABTS•+ methods and phosphomolybdenum methods. Results: The results of the GC-MS showed the presence of 31 components, The main components are Carvacrol (44.38%), beta-Bisabolene (24.82%), Caryophylleneoxide (3.36%), Camphene (2.92%) and Spathulenol (2.44%). The essential oil inhibited the growth of all tested bacteria except for P. Aeruginosa, and the minimum inhibitory concentration was determined to be around 4.6-92µg/mL. The level of antioxidant activity estimated by DPPH was (IC50 = 70±1.03µl/ml) and ABTS was (0.032±0.0006 Equi mg trolox/ml DW) and Phosphomolybdenum was (4.66±0.007 Equi TROLOX mg/ml). Conclusion: The results of this study showed that essential oil of lavandula dentate present an interesting antioxidants and antimicrobial activity, which could be used as a potential source of natural antioxidants and bioactive molecules and could present a very promising alternative in the field of antimicrobial applications.

Keywords: lavandula dentata, Essential oil, Chemical Composition, Antioxidant activity, Antimicrobial activity.
*Correspondant author and authors Copyright © 2017:

| Asmae el hassouni ¹* | Ali el bachiri ¹| Chaouki belbachir ² | and | Abdesselam tahini ¹|
Authors Contact
Affiliation.


¹. Université Mohammed Ier BV Mohammed VI BP 717 60000 | Faculté des sciences | Laboratoire de Chimie Physique des Ressources Naturelles et Environnement | Oujda | Morocco |

². Laboratoire Régional d’Analyses et de recherche | ONSSA, BP: 3136, Oued Isly | Oujda| Morocco |

This article is made freely available as part of this journal's Open Access: ID | Asmae-ManuscriptRef.1-ajira200417 |
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Research Article
CHEMICAL COMPOSITION, ANTIOXIDANT AND ANTIBACTERIAL ACTIVITY OF ESSENTIAL OIL OF LAVANDULA DENTATA GROWING WILD IN MOROCCO



      | Asmae el hassouni | Ali el bachiri | Chaouki belbachir  | and | Abdesselam tahini |. Am. J. innov. res. appl. sci. 2017; 4(5):208-212.


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Received | 20 April 2017|          |Accepted | 07 May 2017|         |Published 28 May 2017 |