Antimicrobial Activities of Portulaca Oleracea Linn on Vitro

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Metta Ongsa kul
Nongyao Sawangjaroen
Peerarat Thaina
Methi Sunbhanich
Jindarat Chatbenjarong
Aporn Thongnurung


The in vitro antibacterial activities of Pak Bia Yai (Portulacaoleracea Linn.) were tested against Staphylococcus aureus, Escherichiacoli, Salmonella Typhimurium, Shigella sonnei and Pseudomonas aeruginosa; using Oxford Cup assay method and dilution technique method. Theantiamoebic activity was tested against Entamoeba histolytica isolated from dysenteric patients from Songklanagarin hospital. The results revealed that the plant could kill both the bacteria and the protozoa. It tis suggested that Pak Bia Yai might be an effective broad-spectrum antimicrobial agent.


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