Overview on Echinophora platyloba, a synergistic anti-fungal agent candidate


Avijgan Majid *, Mahboubi Mohaddesse , Darabi Mahdi , Saadat Mahdi, Sarikhani Sanaz and Nazilla Kassaiyan

Echinophora Platyloba DC. is one of the four native species of this plant in Iran. The aim of this fivestep study was to investigate the antimicrobial properties of this plant. Dried aerial parts of the plant were extracted by ethanol 70% in percolator. The antimicrobial activity of ethanolic extract was evaluated against dermatophytes, Candida (C) albicans and gram positive bacteria by agar dilution method and microbroth dilution assay. Finally, the synergistic effect of Amphotericin B plus 5% ethanolic extract against C. albicans was determined by measuring MIC (minimum inhibitory concentration) and MLC (minimum lethal concentration) values. Gram positive bacteria were resistant to the extract according to measurement of zones of inhibition; Trichophyton schenlaini and Trichophyton verucosum were sensitive to concentrations �?� 35 mg/ml, while other dermatophytes showed various susceptibilities to extract. MIC value of 5% ethanolic extract was 2 mg/ml against C. albicans using broth micro dilution method. In synergism assay, there was a 50% reduction in MIC and a 75% reduction in MLC values of the mixture of Amphotericin B and 5% ethanolic extract against C. albicans in comparison to Amphotericin B alone. Regarding this study, some degrees of synergy was recorded in the combination of Amphotericin B plus E. platyloba extract covering C. albicans which represented promising finding in antifungal therapy.

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