Antibacterial activity of Withania somnifera leaf extracts against gram-positive and gram-negative bacteria.

Withania somnifera is an important medicinal plant used in ayurvedic system of medicine since ancient times. The plant have potential to treat arthritis and rheumatism diseases so attention has been drawn to study antibacterial activity of the plant to challenge on antibacterial resistant pathogens. Four solvent extracts from leaves of withania somnifera tested against four test human pathogens viz., Staphylococcus aureus, Bacillus subtilis, Escherichia coli.