Background: Despite the availability of cultivated food crops and processed food, a large part of the Moroccan population, more particularly the populations of rural areas, still depend on the traditional use of wild plants, which constitute an important component of their food system. However, there is a lack of information on these plants and their medicinal and pharmacological properties, this is why our study aims to detect the antimicrobial activity of certain wild edible plants.Methods: disc diffusion method was used to evaluate the antimicrobial activities of extracts of Mercurialis annua L, Papaver rhoeas L, Foeniculum vulgare Mill, Chenopodium mural L, and Scolymus hispanicus L against the bacterial species Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Pseudomonassp, and against the yeasts Cryptococcus neoformans, and Candida albicansResults: The results showed that the crudeextracts from all the plants studied showed more or less important antimicrobial activities on one or other of the pathogenic microorganisms tested, except for the extract of M. annua, which showed no activity against all microbial strains. The highest antibacterial activity was observed for Scolymus hispanicus L extract against Escherichia coli (diameter of the inhibition zone: Ø=9mm ), the highest antifungal activity was marked for Foeniculum vulgare Mill extract against Candida albicans (Ø=8mm), and the extract of Scolymus hispanicus L against Cryptococcus neoformans(Ø=8mm).Conclusion: These results reveal that, in addition to the role they play in the diet, the food plants studied have an additional biological value due to their bioactive compounds.Keywords: In vitroantibacterial activity; Antifungal activity; Food wild plants; crude extract, Morocco
The aim of our research is the screening of extracts of marine sponges for their antifungal activity against phytopathogenic fungi. The in vitro screening of hydroalcoholic and organic extracts of ten marine sponges from Atlantic coast of Morocco against five phytopathogenic fungi (Fusarium oxysporum f.sp. melonis, Fusarium oxysporum f.sp. radicis-lycopersici, Fusarium oxysporum f.sp. ciceris, Botrytis cinerea and Penicillium digitatum) showed that only two sponges (Haliclona viscosa and Cynachirella tarentina) are active against all phytopathogenic fungi studied.
The aim of this study was to evaluate the antifungal activity of haliscosamine isolated from Haliclona viscosa sea sponge from the Moroccan Atlantic coast against Penicillium digitatum, the causal agent of citrus green mould. The in vitro antifungal activity of haliscosamine, determined using the agar disc-diffusion method, showed that haliscosamine and DESOGERME SP VEGETAUX â (reference product) have fungicidal activity with inhibition diameters of 19 and 18 mm, respectively. Haliscosamine and a positive control (DESO-GERME SP VEGETAUX â ) were tested in vivo in comparison with a negative control on orange fruits in normal storage conditions. This test showed that after four weeks of storage, the rate of decay of citrus fruits treated with haliscosamine or DESOGERME does not exceed 14%, whereas in the negative control the decay rate is 77%. The results of in vitro and in vivo tests indicate that haliscosamine and DESOGERME SP VEGETAUX â have an important antifungal potential against P. digitatum and that haliscosamine (a natural product) may represent an alternative to the use of chemical fungicides.
The antibacterial and antifungal activities of some Moroccan medicinal plants extracts were evaluated against six bacterial species and three yeasts. The agar diffusion method was used to evaluate the antimicrobial activity of the extracts of the following medicinal plants: Rosmarinus officinalis, Salvia officinalis, Psidium guajava, Crocus sativus, Dysphania ambrosioides, Trigonella foenum graecum and Cymbopogon citratus. The used standard antibiotic is the Ampicillin 30µg, and the standard antifungal is the Econazole30µg. The highest antibacterial activity was observed for the extracts of Rosmarinus offficinalis (16,6mm
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