alexa Phytochemical constituents and antibacterial efficacy of the flowers of Peltophorum pterocarpum (DC.) Baker ex Heyne.
Pharmaceutical Sciences

Pharmaceutical Sciences

Medicinal & Aromatic Plants

Author(s): Sukumaran S, Kiruba S, Mahesh M, Nisha SR, Miller PZ,

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Abstract OBJECTIVE: To investigate the preliminary phytochemistry and antibacterial activity of the flower extract of Peltophorum pterocarpum . METHODS: Phytochemical analysis was done by using the standard methods given by Harbone. The methanolic flower extract were tested against Escherichia coli, Klebsiella pneumonia, Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus cereus, Salmonella typhi, Serratia marsecens, Acinetobacter baumannii, Enterobacter sp., Proteus mirabilis, Enterococcus faecalis and Streptococcus pyogenes by the agar disc diffusion method. RESULTS: Preliminary phytochemical screening of flower extract showed the presence of phenolic compounds, flavonoids, saponins, steroids, tannins, xanthoproteins, carboxylic acids, coumarins and carbohydrates. The flower extract of Peltophorum pterocarpum showed significant activity against four gram positive (Staphylococcus aureus, Bacillus cereus, Enterococcus faecalis and Streptococcus pyogenes) and three gram negative bacteria (Proteus mirabilis, Acinetobacter baumannii and Serratia marsecens), out of 12 pathogenic bacteria studied. CONCLUSIONS: The findings of the present study confirm the presence of significant antibacterial activity against human pathogens in the flowers of Peltophorum pterocarpum. Copyright © 2011 Hainan Medical College. Published by Elsevier B.V. All rights reserved. This article was published in Asian Pac J Trop Med and referenced in Medicinal & Aromatic Plants

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