Antibacterial activity of extracts from Artemisia herba alba

الملخص

Exctract of Artemisia herba alba were evaluated for their antibacterial activity against Gram negative bacteria like E. coli , Pseudomonas aeruginosa and Gram positive bacteria like Staphylococcus aureus . The inhibitory effect in vitro was defined as the difference between the growth rate without herbs and the growth rate in the presence of an extract uses four solvent methanol , water , chloroform and acetone . The study revealed that methanole at concentration 16 mg most active against Gram negative bacteria like E.coli and Pseudomonas aeruginosa , followed by chloroform and then acetone and water extract