Authors : Chandrashekhar J. Chandekar, Priya L. Lokhande
Page Nos : 64-70
Description :
Abstract Different solvent extracts of the leaves of Acacia Arabica, Ailanthus excelsa, Alstonia
scholaris, Callistemom lanceolantus,Casurina equisetifolia,Catharanthus roseus,Grevellia
robusta,Moringa oleifera, Psidium guava, Saraca indica, Tamarindus indicum,Vitex negundo
and Thuja compacta were investigated for their antibacterial activity on Escherchia coli NCIM-
2931,Proteus vulgaris NCIM-2857,Pseudomonas auriginosa NCIM-5029, Staphylococcus
aureus NCIM-5021,Bacillus cereus NCIM-2155, Bacillus subtilis NCIM-2063,and Bacillus
megaterium NCIM-2087. 50 μl of solvent extract is used to test antibacterial activity using agar
well diffusion method with well size of 5 mm diameter using High sensitivity test agar medium.
Acetone and Methanol extracts of Acacia Arabica, Callistemom lanceolantus,Casurina
equisetifolia, Psidium guava, Saraca indica, and Thuja compacta showed significant activity
against tested bacteria. Psidium guava extracts in acetone,chloroform, methanol and petroleum
ether, are active against all bacteria tested except Bacillus cereus. Saraca indica’s extract in
acetone, chloroform, methanol and petroleum ether are active against all Gram positive
bacteria tested.