Evaluation of solvent dependent antibacterial activity in flowers and shoots of Peltophorum pterocarpum

T. Sohail, A. Rahman, S. Shaukat, S. Ahmed, M. A. Waqar

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3 Citations (Scopus)

Abstract

Flowers and shoots of Peltophorum pterocarpum backer (Caesalpinaceae) were extracted with five different solvents (petroleum ether, benzene, chloroform, acetone and ethyl alcohol). They all exhibited a varied degree of antibacterial activities against a wide range of gram-positive and gram-negative bacteria. The flowers of P. pterocarpum were found to have more potent ingredients in action as compared to the shoots part. Among all extracts, ethyl alcohol extracts were the most potent. Amongst gram-positive bacteria, the 100 % antibacterial activity was exhibited in flowers and 83.33 % in shoots while amongst gram-negative bacteria, 91.67 % was depicted in flower and 83.33 % in shoots. Ag category zone of inhibition was exhibited only by ethyl alcohol extract amongst both groups of organisms by flowers and shoots. Minimum inhibitory concentration of the flower and the shoot extract was found in the range of 2.5 mg/ mL to 1.25 mg/ mL against gram-negative and gram-positive bacteria.

Original languageEnglish
Pages (from-to)170-175
Number of pages6
JournalJournal of the Chemical Society of Pakistan
Volume29
Issue number2
Publication statusPublished - Apr 2007
Externally publishedYes

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