Chemical composition and antibacterial, antifungal and antioxidant activities of the flower oil of<i>Retama raetam</i>(Forssk.) Webb from Tunisia

Edziri, Hayet; Mastouri, Maha; Chéraif, Imed; Aouni, Mahjoub

doi:10.1080/14786410802529190

Cited by 47 publications

(35 citation statements)

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“…The crude plant extracts of R. raetem and H. scoparia were exhibited significant reduction in the growth of four fungi which was in parallel with pervious study [48] (Figure 8(a)). It has been reported that raetem extract showed an antibacterial, antifungal and anticancer activity [56].…”

Section: Antimicrobial and Antifungal Activitiessupporting

confidence: 74%

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Antioxidant and antimicrobial properties of five medicinal Libyan plants extracts

Alghazeer¹,

El-Saltani²,

Saleh³

et al. 2012

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Five Libyan medicinal plants Thapsia garganica, Hammada scoparia, Euphorbia serrata, Hyoscyamus albus andRetama rateam were selected to evaluate their biological activities. Their total phenolic and flavanoid contents were assessed. The antioxidant activity was estimated using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) as free radical scavenger. Their crude extracts showed reducing potential proportional to their concentration. The correlation coefficient (R 2 ) between antioxidant activity and their total phenolics and flavanoids content is 0.77 and 0.98 respectively. Crude aqueous, methanolic as well as alkaloids extracts of the five plants were tested against a number of G +ve and G -ve sensitive resistant (e.g. MRSA) bacteria beside some fungal species. The aqueous extracts displayed weak antibacterial activity whereas methanolic extracts were profoundly effective against both G +ve and G -ve bacteria. The extracts of E. serrata and H. scoparia were highly effective against E. coli in particular. The alkaloid-rich extracts of H. albus and H. scoparia induced remarkable bacteriostatic and fungistatic effects. The bioactive ingredients of H. scoparia, E. serrata and R. rateam extracts are shown to be potential sources of natural antioxidant and antimicrobial ingredients favoring their possible use in industrial pharmacology on large scale.

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Section: Antimicrobial and Antifungal Activitiessupporting

confidence: 74%

“…This expectation that some naturally occurring plant ingredients can kill antibioticresistant strains of bacteria such as Bacillus cereus, Escherichia coli, Micrococcus luteus and Staphylococcus aureus has been confirmed [48].…”

Section: Antimicrobial and Antifungal Activitiesmentioning

confidence: 92%

Antioxidant and antimicrobial properties of five medicinal Libyan plants extracts

Alghazeer¹,

El-Saltani²,

Saleh³

et al. 2012

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“…Webb., qui pousse au Maroc dans les régions désertiques (Tafilalt) et le Moyen Atlas est essentiellement recommandée par les guérisseurs traditionnels [7,8] comme antidiabétique. En outre, il a été rapporté que ces espèces possèdent divers effets pharmacologiques associés entre autres à la présence des quinolizidines : effets hypoglycémique, diuré-tique [9][10][11], cytotoxique [12][13][14][15][16], antihypertenseur [17], antibactérien [18][19][20], antifongique, antiviral [18,21,22] et antioxydant [19,22].…”

Section: Introductionunclassified

Distribution des alcaloïdes dans les parties aériennes deRetama monosperma(L.) Boiss. du Maroc

et al. 2012

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Résumé -Introduction :Retama monosperma (L.) Boiss. fait partie de la famille des Fabaceae. C'est une espèce très utilisée en médecine populaire marocaine, certaines de ses propriétés biologiques et pharmacologiques ont été scientifiquement prouvées et sont probablement liées à la présence d'alcaloïdes. Matériels et méthodes : Les parties aériennes (tiges, feuilles, graines) d'un spécimen sauvage ont été récoltées dans la commune de Haouzia (El Jadida, Maroc). Les alcaloïdes ont été extraits de chaque partie de la plante par du méthanol puis analysés par chromatographie gazeuse couplée à la spectrométrie de masse. Résultats : Le contenu en alcaloïdes varie d'un organe à l'autre. Treize alcaloïdes connus ont été identifiés. La cytisine, la spartéine, l'ammodendrine et l'anagyrine sont les composés majoritaires. Le profil chimique des tiges est qualitativement très proche de celui des feuilles. Les graines ne montrent pas la même diversité en terme de structures chimiques. Conclusion : Les profils métaboliques trouvés pour les trois parties de la plante d'origine marocaine diffèrent largement de ceux reportés dans la littérature pour les espèces Retama. Mots clés :Retama monosperma (L.) Boiss., alcaloïdes, cytisine, spartéine, CPG-SM Abstract -Introduction: Retama monosperma (L.) Boiss. is a member of the family Fabaceae. This species is widely used in Moroccan folk medicine; some of its biological and pharmacological properties have been proven by several authors and are probably related to the presence of alkaloids. Materials and methods: The aerial parts (stems, leaves, seeds) of a wild specimen were collected in the municipality of Haouzia (El Jadida, Morocco). The alkaloids were extracted from each part of the plant with methanol and then analyzed by gas chromatography-mass spectrometry. Results and discussion: The alkaloid content varies from one organ to another. Thirteen known alkaloids were identified. Cytisine, sparteine, ammodendrine and anagyrine are the major compounds. The chemical profile of stems is qualitatively very similar to that of leaves. The seeds do not show the same diversity in terms of chemical structure. Conclusion: The metabolic profiles found for the three plant parts of Moroccan origin differ widely from those reported in the literature for the species Retama.

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“…Martins et al (2014) suggested that the observed b-carotene antioxidant capacity in the Schinus molle L. (Anacardiaceae) EO can be justified by the presence of the monoterpenes. Edziri et al (2010) reported that Retama raetam (Forssk.) Webb (Fabaceae) EO has a good AA (measured through the DPPH method), and they consider that this activity could be attributed to the relatively high percentage of monoterpenes present in the oil.…”

Section: Antioxidant Activity Versus Phytochemical Compositionmentioning

confidence: 99%

Antioxidant activity and chemical composition of essential oils of three aromatic plants from La Rioja province

Barbieri

Costamagna

Gilabert

et al. 2015

Pharmaceutical Biology

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Context: The use of many traditional medicinal plants is often hampered by the absence of a proper biochemical characterization, which is essential to identify the bioactive compounds present in it. The essential oils (EOs) of three native species from the La Rioja province were analyzed: Lippia turbinata Griseb and Lippia integrifolia (Griseb.) Hieron (Verbenaceae), and Clinopodium gilliesii (Benth.) Kuntze (Lamiaceae). Objective: The aim of this study was to evaluate their EOs antioxidant activity (AA) and their chemical composition. Materials and methods: EOs were analyzed by gas chromatography-mass spectrometry (GC-MS).To enhance the aqueous solubilization of the EOs, EO-water emulsions were prepared (concentration range of 0.1-6 mg mL À1 ). AA was determined using ABTS, DPPH, and peroxyl radical scavenging assays, as well as by the b-carotene bleaching test. Results: Piperitenone oxide was a major constituent in L. turbinata, pulegone and piperitenone oxide in C. gilliesii, and b-caryophyllene in L. integrifolia. Lippia turbinata EO was the most active ABTS and DPPH radical scavenger (SC 50 values of 0.40 ± 0.14 and 0.74 ± 0.08 mg mL À1 , respectively). Clinopodium gilliesii EO exhibited the highest hydrogen peroxide scavenging activity (SC 25 value ¼ 1.52 ± 0.27 mg mL À1). In the b-carotene assay, L. turbinata EO was more effective at inhibiting lipid peroxidation than the other two oils (IC 25 value ¼ 0.15 ± 0.04 mg mL À1 ). Conclusion: Our results suggest that the AA observed can be justified by the presence of oxygenated monoterpenes, mainly piperitenone oxide. Finally, L. turbinata EO might be used as a safe natural antioxidant and food preservative in the food and cosmetic industries.

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Chemical composition and antibacterial, antifungal and antioxidant activities of the flower oil ofRetama raetam(Forssk.) Webb from Tunisia

Cited by 47 publications

References 11 publications

Antioxidant and antimicrobial properties of five medicinal Libyan plants extracts

Antioxidant and antimicrobial properties of five medicinal Libyan plants extracts

Distribution des alcaloïdes dans les parties aériennes deRetama monosperma(L.) Boiss. du Maroc

Antioxidant activity and chemical composition of essential oils of three aromatic plants from La Rioja province

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