ANTIBACTERIAL ACTIVITIES OF FLAVONOIDS OBTAINED FROM THE ROOT EXTRACT OF TRIANTHEMA DECANDRA LINN.G. SINDHU, N. PRABHU AND C. KAMALAKUMARAbstract Methanolic root extracts of flavonoids obtained from Trianthema decandra L. was tested for antibacterial activity against human pathogenic bacterial strains in a dose dependent manner by disc diffusion method. The present investigation reveals that the plant extract has potential bactericidal effect against bacterial strains that causes the skin diseases, such as Staphylococcus aureus, Pseuclomonas aeruginosa than other strains. The extract was partially inhibited the growth of enteric bacterial strains such as Escherichia coli, Salmonella typhi, Salmonella paratyphi and Shigella dysentriae. The growth of bacterial strains like Streptococcus pneumoniae, Klebsiella pneumoniae, Proteus mirabilis and Proteus vulgaris were not inhibited by the extract. However, further research is required to establish if it could be safely used as a antibacterial agent.
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