Md Shalahuddin Millat, Safiqul Islam, Md Saddam Hussain, Md Mizanur Rahman Moghal, Tarequl Islam
Aim: The present study was commenced to investigate the methanolic extracts of Launaea sarmentosa (Willd.) and Bruguiera cylindrical (L.) for antibacterial properties. Launaea sarmentosa (Willd.) is a plant of Asteraceae family while Bruguiera cylindrical (L.) belongs to the family of Rhizophoraceae.
Materials and Method: The study was performed by disc diffusion method.
Results: Crude methanolic extracts of both Launaea sarmentosa (Willd.) and Bruguiera cylindrical (L.) at various concentration were used for antibacterial screening. The methanolic extracts of Launaea sarmentosa (Willd.) produced good antibacterial activities against gram negative (-ve) bacteria and were resistant against gram positive (+ve) bacteria whereas crude methanolic extracts of Bruguiera cylindrical (L.) were resistant against both gram positive (+ve) and gram negative (-ve) bacteria.
Conclusion: Further work especially bioassay-guided fractionation may be avouched in order to isolate and characterize the antibacterial active constituents responsible for the antibacterial property.
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