Evaluation of antimicrobial activity of flavonoides extract from

الملخص EN

Investigation of antibacterial activity of flavonoides extract of lawsonia inermis leaves was carried out on gram positive and gram negative pathogenic bacteria , the results exhibited a variable susceptibilities of microorganism for different concentration of flavonoides extract (6.25 ,12.5 ,25 ,50 ,100 mg/ml).

The activity of this extract was associated with high concentration (100 mg/ml) using plate methods flavonoides extract of L.

inermis had the highest effect and wide diameter of growth inhibition zone agiants Streptococcus sp.

And it has no effect of growth of Burkholderia pseudomallei and Staphylococcus aureus was noticed except at very high concentration.-