Diameter of inhibition zone ± SE (mm)
Micro- organisms Alcohol extract of A. grandidentata(200 mg/ml) Ciprofloxacin Nystatin
Staphylococcus aureus R 22 ± 0.44 N.D
Bacillus subtilis 9 ± 0.53 22 ± 0.95 N.D
Pseudomonas R 35 ± 0.78 N.D
aeruginosa 11 ± 0.74 34 ± 0.83 N.D
klebsiellapnemonia 9 ± 0.37 19 ± 0.52 N.D
Candida albicans 8 ± 0.27 N.D 16 ± 0.62
R= no inhibition zone        N.D=not done        SE standard error
Table 1: Results of antimicrobial screening of alcohol extract of A. gradidentata.