Biological effect of aqueous & alcoholic extracts of green tea leaves of some pathogenic bacteria in vitro

Nada S.Rezoqe, Saadiyah A. Dhahir, Esraa F.Ascar

Abstract


This research aims to study the inhibition effect of aqueous and alcoholic extracts of green tea leaves on some pathogenic bacteria in vitro,the bacteria included E.coli. P.aeruginosa and S.aureus by using walls method on Muller-Hinton media.

Results  revealed that all three concentration (5,10& 20)% of alcoholic extracts to green tea showed inhibitory effects on selected organisms compared with aqueous extracts which showed inhibitory effects on E.coli and S.aureus only.

 


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