Genista numidica Spach ssp numidica (Spach) Batt. is a northeast Algerian endemic plant; the aim of this work is about the phytochemical screening, the microscopic analysis and the antimicrobial activity of the aeri...Genista numidica Spach ssp numidica (Spach) Batt. is a northeast Algerian endemic plant; the aim of this work is about the phytochemical screening, the microscopic analysis and the antimicrobial activity of the aerial parts of this species (stems, flowers, seeds and pods); there is a wealth in polyphenolic compounds: flavonoids (method of Charaux, Paris, 1964) and saponins (method of Braune et al, 1969), tannins, terpenes, sterols and fatty acids. The microscopic analysis doesn't allow a differential identification of the species. The results of aromatogram by the incorporation method of Muller-Hinton on solid medium, showed a significant antimicrobial activity (method Duraffourd,1987) of the extracts, infusion, and the active substances towards bacterial strains, essentially those recognized as antibiotic resistant (Staphylococcus, Acinetobacter, Pseudomonas, Enterobacter, Citrobacter); the results obtained indicate that the most efficient antibacterial activity was obtained with the pod infusion, the seed extract and the flavonoids. The raw extract has an important antifungal activity on Candida albicans. This could open opportunities for using this species in the treatment of urinary, respiratory, intestinals and cutaneous infections, and as a disinfecting additive on nosocomial area.展开更多
文摘Genista numidica Spach ssp numidica (Spach) Batt. is a northeast Algerian endemic plant; the aim of this work is about the phytochemical screening, the microscopic analysis and the antimicrobial activity of the aerial parts of this species (stems, flowers, seeds and pods); there is a wealth in polyphenolic compounds: flavonoids (method of Charaux, Paris, 1964) and saponins (method of Braune et al, 1969), tannins, terpenes, sterols and fatty acids. The microscopic analysis doesn't allow a differential identification of the species. The results of aromatogram by the incorporation method of Muller-Hinton on solid medium, showed a significant antimicrobial activity (method Duraffourd,1987) of the extracts, infusion, and the active substances towards bacterial strains, essentially those recognized as antibiotic resistant (Staphylococcus, Acinetobacter, Pseudomonas, Enterobacter, Citrobacter); the results obtained indicate that the most efficient antibacterial activity was obtained with the pod infusion, the seed extract and the flavonoids. The raw extract has an important antifungal activity on Candida albicans. This could open opportunities for using this species in the treatment of urinary, respiratory, intestinals and cutaneous infections, and as a disinfecting additive on nosocomial area.