Antimicrobial effect of Callus and Natural plant extracts of Premna serratifolia L

Premna serratifolia L. is an important medicinal shrub used in traditional system of medicines as cardio tonic, antibiotic, anti-coagulant, carminative, hepatoprotective, anti tumor etc. The present study aims in the evaluation of antimicrobial activity against the selected human pathogens (Bacillus sp, Enterococcus faecalis, Escherichia coli, Klebsiella pneumoniae, Non-haemolytic Streptococci, Streptococcus epidermidis, Pseudomonas aeruginosa, Salmonella typhimurium) by using natural leaves, roots and its respective calli induced with help of various plant growth egulators. Result revealed that, increased inhibitory activities of callus extracts were found to be the best when compared to the naturalplant material extracts. The study suggests the plant Premna erratifolia L. is an potent source for phytomedicine development in future.