This study included evaluation of inhibition activity of watery and oily extracts of Rosmerinus
officinalis plant on some pathogenic microorganisms like Salmonella typhi، Escheichia coli ، Staphylococcus
aureus ، Klebsiella pneumoniae، Aeromonas hydrophila ، Candida albicans. The results of oily extract showed
more activity at concentration (40mg/ml) of microorganisms growth inhibition (26, 24,22,18,18)mm
respectively, compared with aqueous extract which recorded (12,12,10,9,8)mm respectively at concentration
(200mg/ml). And procedure the qualitative chemical test of some active ingredients in Rosmerinus officinalis
plant. The results showed that the plant contan glycosides, alkaloids, flavonoides , phenols, tannins , resins,
saponins and comarins