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June 2020 Vol.8 No.3

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Merit Research Journal of Microbiology and Biological Sciences (ISSN: 2408-7076) Vol. 8(3) pp. 025-040, June, 2020

Copyright © 2020 Author(s) retain the copyright of this article
DOI: 10.5281/zenodo.3926745

Original Research Article

Evaluation of anti-bacterial activity of Polygonum plebeium and Euphorbia hirta against Pseudomonas aeruginosa

 
 
 

Atef A. El-Hela, Eman S. Abdelkhalek, Enayat M. Desouky, Nagwa M. Sidkey and Heba H. Abdelhaleem

 

1Pharmaceutical Dept., Faculty of Pharmacy (Boys), Al-Azhar University Cairo, Egypt
2Botany and Microbiology Dept. Faculty of Science (Girls), Al-Azhar University, Cairo, Egypt
3Inspector of Occupational Safety and Health at the Ministry of Manpower

*Corresponding Author's E-mail: emanshawky_emanshawky@yahoo.com

Received: 011 June 2020    I    Accepted: 26 June 2020    I    Published: 30 June 2020    I    Article ID: MRJMBS-20-026
Copyright © 2020 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0.

 

Abstract

 

This study investigated the extracts of Euphorbia hirta and Polygonum plebeium against human bacterial pathogen Pseudomonas. aeruginosa PAO1, B24 (isolated from wound infection of the arm, Cleopatra Hospital) with accession no.0748281. Among all tested solvents, ethyl acetate extract of Euphorbia hirta and P.plebeium was the most effective. Also the ethyl acetate extract of both medicinal plants has synergitic effect which increased the antimicrobial activity against P. aeruginosa PAO1, B24. MIC of plant extract P.plebeium and E.hirta against the growth of P. aeruginosa PAO1, B24 was found to be 12.5mg/m. Parameters controlling the antimicrobial activity of ethyl acetate extract of E.hirta and P.plebeium had been studied. It was more effective when incubated at 45°C for microbial strains P. aeruginosa PAO1, B24; pH5 was more effective against P. aeruginosa PAO1, B24; Dark condition for 24hr was effective against P. aeruginosa PAO1, B24; Static condition had slight effectiveness; Xylose exhibited the highest antimicrobial activity against P. aeruginosa PAO1, B24; it was not affected by the different types of amino acids and no metallic ions was effective against P. aeruginosa PAO1, B24. Also no vitamins were effective on the microbial strain under study.

Keywords: Euphorbia hirta, Medicinal plants, P.aeruginosa, Polygonum plebeium





 












































 
 









 
 

 
 
   
   
   
   
   
   
   
   
   
   
   
 
 
 
 
 
 
 
 
   
 
                         

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