Study the inhibition effect of some extracts of Rhus coriaria fruits on the growth of some Gram Positive and Negative bacteria | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 17, Issue 1, March 2012, Pages 56-71 | ||
| Author | ||
| Halah .Abed al- khalik Awadh Al-Hadithi | ||
| Abstract | ||
| This study include the antimicrobial activity in different concentrations of extracts (aqueous, alcoholic, Petrolium ether, Benzene, Chloroform, and acetone) for (Rhus coriaria) towards (12) species of pathogenic bacteria :( Escherichia coli ,staph. epidermidis , staph . Saprophyticus, staph. aureus , Klebsiella sp, Protius vulgaris,protius mirabilis, Serratia marcescens , Yersinia enterocolitica and Citrobacter spp, Ps. aeruginosa samples,by using Well diffusion method comparing with antibiotics which used as control sample. The results showed that the aqueous extraction for the plant have high inhibition activity towards all selective microorganisms , the higest inhibition activity towards E.coli with radius of 38 mm while the lower activity was toward Ps. aeruginosa . In another hand the alcoholic extraction of the plant showes good inhibition activity towards all organisms with all concentrations except Ps. aeruginosa which have inhibition activity just in the concentrate 25 mg/cm3 . while the extraction of Petrolium ether showes weak up to good inhibition activity, while it have good inhibition activity towards Citrobacter spp, but it don’t have any activity towards Protius spp and Ps. aeruginosa The Benzene extraction have different inhibition activity it showes high response towards Citrobacter spp ,while the microorganisms Ps. aeruginosa. and Providencia alcalifaciens have high resistance towards it . About the Chloroform extraction have inhibition activity towards all selective microorganisms and highest activity in contrast of Petrolium ether and Benzene extractions of plant and in contrast with the antibiotics control the Serratia marcescens showes high sensitivity towards the extraction. Finally , the results showes that the acetonic extraction of Rhus coriaria have high inhibition activity towards all selective microorganisms to all concentration which used in this study , so according to these results we can say that the Ps. aeruginosa have the less sensitivity towards Rhus coriaria extraction . | ||
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