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8312366 
Journal Article 
Phytochemical evaluation and antibacterial activity of Pterospermum diversifolium blume 
Hidayathulla, S; Keshava Chandra, K; Chandrashekar, KR 
2011 
1 
International Journal of Pharmacy and Pharmaceutical Sciences
ISSN: 2656-0097
EISSN: 0975-1491 
3 
2 
165-167 
English 
Phytochemicals from the leaves of Pterospermum diversifolium were extracted using different solvents of various polarity such as Hexane, Ethyl acetate, Methanol and Water. The antibacterial activity was carried out against Escherchia coli, Staphylococcus aureus, Bacillus subtilis and Pseudomonas aerugenosa by Disc diffussion method and Minimum Inhibitory Concentration (MIC) by broth dilution method. The water extract was able to inhibit Staphylococcus aureus and Bacillus subtilis. Among the solvent extracts methanol extract was most effective against the tested micro organisms. Phytochemical analysis revealed the presence of phenols, flavonoids, tannins, glycosides and terpenes. 
Antibacterial activity; Disc diffussion; Phytochemicals; Pterospermum diversifolium