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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Antioxidant and antimicrobial activities of the edible medicinal halophyte Tamarix gallica L. and related polyphenolic constituents
Food and Chemical Toxicology, Volume 47, No. 8, Year 2009
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Description
Tamarix gallica is a halophytic species having hepatotonic and stimulant properties, as it was traditionally used in the treatment of various liver disorders. Leaf and flower infusion have anti-inflammatory and anti-diarrheic proprieties. In this work, we have investigated antioxidant and antimicrobial activities of leaf and flower extracts and their phenolic composition. Results showed that flowers exhibit a higher antioxidant activity as compared to the leaves, IC50 values of the flower extracts are being 1.3 (β-carotene bleaching) to 19 times (lipid peroxidation inhibition) lower than those for leaves. Accordingly, flower extracts exhibited the highest total phenolic content (135.35 mg GAE/g DW) and RP-HPLC analysis showed that syringic acid, isoquercitin as well as catechin were the major phenolics. Furthermore, Tamarix extracts showed appreciable antibacterial properties against human pathogen strains. The mean inhibition zone was from 0 to 6.5 mm when the concentration increased from 2 to 100 mg/l. The strongest activity was recorded against Micrococcus luteus and the lowest activity was observed against Escherichia coli. Moreover, organ extracts show a weakly to moderate activity against the tested Candida. These findings suggest that Tamarix may be considered as an interesting source of antioxidants for therapeutic or nutraceutical industries and for food manufactures. © 2009 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Ksouri, Riadh
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Falleh, Hanen
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
France, Plouzane
Institut Universitaire Européen de la Mer Iuem
Megdiche-Ksouri, Wided
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Trabelsi, Najla
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
M’Hamdi, Baya
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Chaieb, K.
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Bakrouf, Amina
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Magne, C.
France, Plouzane
Institut Universitaire Européen de la Mer Iuem
Abdelly, Chédly
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Statistics
Citations: 305
Authors: 9
Affiliations: 3
Identifiers
Doi:
10.1016/j.fct.2009.05.040
ISSN:
02786915
Research Areas
Food Security