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Evaluation de l'activité antibactérienne et cytotoxique des huiles essentielles de trois espèces végétales : "Citrus aurantium", "Pélargonium graveolens" et "Juniperus phoenicea"

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Notre étude concerne l’évaluation des activités antibactériennes et cytotoxiques de trois huiles essentielles extraites de : Citrus aurantium, Pélargonium gravéolens et Juniperus phoenicea. L’extraction des huiles essentielles par hydrodistillation a révélé des rendement qui varient entre 0,7 et 1% . L’activité antibactérienne de ces trois huiles essentielles quant à elle, est évaluée sur une population bactérienne composée de neuf souches bactériennes, par la méthode de dilution en milieu liquide et montre que la valeur moyenne des concentrations minimales inhibitrices (CMI) est de 0,8% pour l’HE de Citrus aurantium et de 2% pour l’HE de Juniperus phoenicea .Toutes les souches testées sont sensibles à des concentrations inférieures ou égales à 2% d’HE de Citrus aurantium néanmoins des résistances sont notées pour Enterococcus faecalis , Escherichia coli 22 et Staphylococcus aureus vis-à-vis de l’HE de Juniperus phoenicea . Nos résultats révèlent une meilleure activité sur les bactéries à Gram positif pour les deux HES testées.

Our study concerns the evaluation of the antibacterial and cytotoxic activities of three essential oils extracted from: Citrus aurantium, Pelargonium gravéolens and Juniperus phoenicea. The extraction of essential oils by hydrodistillation has revealed yields varying between 0.7 and 1%. The antibacterial activity of these three essential oils is evaluated on a bacterial population composed of nine bacterial strains, by the method of dilution in liquid medium and shows that the average value of the minimum inhibitory concentrations (MIC) is 0, 8% for the EO of Citrus aurantium and 2% for the EO of Juniperus phoenicea. All the strains tested are sensitive to concentrations less than or equal to 2% of the EO of Citrus aurantium, however resistance is noted for Enterococcus faecalis , Escherichia coli 22 and Staphylococcus aureus vis-à-vis the EO of Juniperus phoenicea. Our results reveal better activity on Gram-positive bacteria for the two HESs tested.

Excerpt


Objet : ATTESTATION D’ABSENCE DE CONFLIT D’INTERETS ET D’ACCORD DE NOMINATION.

Je soussigné Gheraibia Aicha , agissant en qualité de co-auteur du texte intitulé «Evaluation de l’activité antibactérienne et cytotoxique des huiles essentielles de trois espèces végétales: Citrus aurantium , Pélargonium graveolens et Juniperus phoenicea » dans le cadre de sa publication sur GRIN.

Atteste sur l’honneur, n’avoir a priori aucun conflit d’intérêt, de quelque nature que ce soit dans le cadre de la réalisation de l’opération susmentionnée.

M’engage à informer spontanément le comité GRIN de mon accord pour la publication de mon nom au sein du livre.

Pour valoir ce que de droit , Aicha GHERAIBIA .

Abbildung in dieser Leseprobe nicht enthalten

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Title: Evaluation de l'activité antibactérienne et cytotoxique des huiles essentielles de trois espèces végétales : "Citrus aurantium", "Pélargonium graveolens" et "Juniperus phoenicea"

Doctoral Thesis / Dissertation , 2021 , 91 Pages , Grade: 16

Autor:in: Alia Djebar (Author), Aicha Gheraibia (Author)

Pharmacology
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Title
Evaluation de l'activité antibactérienne et cytotoxique des huiles essentielles de trois espèces végétales : "Citrus aurantium", "Pélargonium graveolens" et "Juniperus phoenicea"
College
Badji Mokhtar Annaba University
Grade
16
Authors
Alia Djebar (Author), Aicha Gheraibia (Author)
Publication Year
2021
Pages
91
Catalog Number
V1223098
ISBN (PDF)
9783346656889
ISBN (Book)
9783346656896
Language
French
Tags
Citrus aurantium Pélargonium graveolens Juniperus phoenicea activité antibactérienne cytotoxicité huiles essentielles (Est algérien)
Product Safety
GRIN Publishing GmbH
Quote paper
Alia Djebar (Author), Aicha Gheraibia (Author), 2021, Evaluation de l'activité antibactérienne et cytotoxique des huiles essentielles de trois espèces végétales : "Citrus aurantium", "Pélargonium graveolens" et "Juniperus phoenicea", Munich, GRIN Verlag, https://www.grin.com/document/1223098
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