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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Antimicrobial properties of aqueous extracts from three medicinal plants growing wild in arid regions of Tunisia
Pharmaceutical Biology, Volume 47, No. 5, Year 2009
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Description
Seed extracts of three plant species that grow wild in the arid regions of Tunisia, Juniperus phoenicea L. (Cupressaceae), Pistacia atlantica Desf. (Anacardiaceae), and Oudneya africana R. Br. (Brassicaceae), were examined for antimicrobial activity against bacterial food pathogens. Aqueous extracts were prepared and then precipitated with methanol or acetone. Extracted acetone fractions (pH7.2) showed powerful antimicrobial activity, especially against Listeria monocytogenes, Listeria innocua, and Listeria ivanovii (Gram-positive) and were also active against Gram-negative strains Escherichia coli and Pseudomonas aeruginosa. Extracts selected for high antimicrobial activity were stable in the presence of organic solvents (chloroform, hexane, acetonitrile, methanol, and acetone), and withstand thermal treatments up to 100°C for 30min. L. monocytogenes LSD530 and E. coli ATCC 25922 appeared to be inhibited by Juniperus and Pistacia extracts with a minimum concentration of 1.56 and 3.12mg/mL, respectively. This study established the potential of medicinal plants growing wild in arid regions of Tunisia as a source of antimicrobial agents. © 2009 Informa UK Ltd.
Authors & Co-Authors
Hammami, Riadh
Tunisia, Tunis
Institut Supérieur Des Sciences Biologiques Appliquées de Tunis
France, Villeneuve-d'ascq
Unité de Glycobiologie Structurale et Fonctionnelle Ugsf
Zouhir, Abdelmajid
Tunisia, Tunis
Institut Supérieur Des Sciences Biologiques Appliquées de Tunis
Ben Hamida, Jeannette
Tunisia, Tunis
Institut Supérieur Des Sciences Biologiques Appliquées de Tunis
Neffati, Mohamed
Tunisia, Medenine
Arid Regions Institute
Vergoten, Gérard
France, Villeneuve-d'ascq
Unité de Glycobiologie Structurale et Fonctionnelle Ugsf
Naghmouchi, Karim
Canada, Quebec
Institut Des Nutraceutiques et Des Aliments Fonctionnels, Canada
Fliss, Ismaïl
Tunisia, Tunis
Institut Supérieur Des Sciences Biologiques Appliquées de Tunis
Canada, Quebec
Institut Des Nutraceutiques et Des Aliments Fonctionnels, Canada
Statistics
Citations: 38
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1080/13880200902822604
ISSN:
13880209
e-ISSN:
17445116
Research Areas
Food Security
Study Locations
Tunisia