*Corresponding Author: P. Muthukumaran Department of Biochemistry Meenakshi Chandra Sekaran College of Arts and Science Pattukkottai -614 626, Tamil Nadu, India E-mail: kumaran.bio82@yahoo.com
Antibacterial properties of methanol extract of Cassia auriculata flower was studied on three Gram positive and seven Gram negative bacteria by disc diffusion method. The extract showed zone of inhibition against Gram positive bacteria (Bacillus cereus, B. subtilis and B. megaterium) and Gram negative bacteria [Streptococcus aureus, E. Coli, Salmonella typhae, S. paratyphae, Pseudomonous sp (I), Pseudomonous sp (II) and Shigella sonnei].
