ISSN: 0973-7510

E-ISSN: 2581-690X

Arasan Elayaraja , Sheikh Abdul Rahaman, Gananadhamu Samantalu and Devala Rao Garikapati
Department of Pharmaceutical Chemistry, KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada – 520 010 India.
J Pure Appl Microbiol. 2008;2(1):231-233
© The Author(s). 2008
Received: 30/11/2007 | Accepted: 15/01/2008 | Published: 30/04/2008
Abstract

The in vitro antibacterial activity of different extracts obtained from roots and rhizomes of Justicia tranquebariensis against different organisms namely Bacillus subtilis, Staphylococcus aureus, Escherichia coli and Klebsiella pneumonia have been carried out. The prepared extracts from petroleum ether and hydro alcohol (50:50) were investigated with different concentrations. Our findings showed that both extracts have highest
antibacterial activity in gram positive strains than gram negative strains. Also increase in concentration of each extract increases the antibacterial activity. Both the extracts showed  significant broad spectrum anti-bacterial activity.

Keywords

Justicia tranquebariensis, Petroleum ether extract, Hydro alcoholic extract, MIC

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