**6.11 Antibacterial activity**

Phytochemical components of *A. aspera* like flavonoids and alkaloids showed the antibacterial activity [58]. It is used for the treatment of urinary tract infections [59]. Five bacterial species used as a testing organism including *Pseudomonas aeruginosa*, Proteus *mirabillus* and *Enterococcus faecalis.* The leaf and stem of the *A. aspera* was extracted with organic solvent. 5 mg/ml concentration of the extract used as a testing agent and their activity measured by the determination of zone of inhibition as produced by antibiotic sensitivity method on Mueller-Hinton agar [10].
