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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Antimicrobial, antioxidant, and antiviral activities of Retama raetam (Forssk.) Webb flowers growing in Tunisia
World Journal of Microbiology and Biotechnology, Volume 24, No. 12, Year 2008
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Description
Antimicrobial, antioxidant, and antiviral activities of flower extracts of Retama raetam Forssk. Webb (Fabaceae) were screened both from standard and isolated Gram-positive and Gram-negative bacteria by solid medium technique. Oxacillin, Amoxicillin, Ticarcillin, Cefotaxim, and Amphotericin were used as the control agents. The antiviral activity was evaluated against human cytomegalovirus (HCMV) strain AD-169 (ATCC Ref. VR 538) and coxsackie B virus type 3 (CoxB-3) using a cytopathic effect (CPE) reduction assay. The antioxidant activity was evaluated using two tests: 1,1-diphenyl-2-picrylhydrazyl (DPPH) free-radical scavenging and the ammonium thiocyanate methods. All extracts were characterized quantitatively for the presence of polyphenols, flavonoids, and tannins. Of the extracts tested, butanol and ethyl acetate extracts showed important antibacterial activity against Gram-positive and Gram-negative bacteria but only moderate antifungal activity. Methanol extract exhibited moderate antiviral activity against HCMV with IC50 of 250 μg/ml. Ethyl acetate, chloroform, and methanol fractions were found to cause significant free-radical-scavenging effects in both assays. These results may suggest that R. raetam flowers could be used as a natural preservative ingredient in the food and/or pharmaceutical industries. © 2008 Springer Science+Business Media B.V.
Authors & Co-Authors
Edziri, H.
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Maha, Mastouri
Tunisia, Monastir
Chu Fattouma-bourguiba
Samia, Ammar
Tunisia, Monastir
Faculté Des Sciences de Monastir
Mata, Matieu
France, Paris
Hôpital Européen Georges-pompidou
Gros, Patrich
Tunisia, Monastir
Chu Fattouma-bourguiba
Raida, Hiar
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Ali, Mahjoub Mohamed
France, Paris
Hôpital Européen Georges-pompidou
Mohamed, Ali Si
Tunisia, Monastir
Chu Fattouma-bourguiba
Gutmann, Laurent
Tunisia, Monastir
Chu Fattouma-bourguiba
Mighri, Zine
France, Paris
Hôpital Européen Georges-pompidou
Aouni, Mahjoub
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Statistics
Citations: 52
Authors: 11
Affiliations: 4
Identifiers
Doi:
10.1007/s11274-008-9835-y
ISSN:
09593993
Research Areas
Food Security
Study Locations
Tunisia