Table 5: Antibacterial activity of Islamic Shahad against bacterial isolates. Data are shown as mean zone of inhibition (mm2) ± SD.

Organisms Honey concentrations +ve Control
Streptomycin
100% 75% 50% 25%
Bacillus alvei 226±1.15 169±0.15 121±0.03 - 841±1.05
Bacillus polymyxa 441±0.05 289±0.11 196±1.18 121±1.98 961±0.19
Bacillus subtilis 400±0.40 225±1.77 144±1.24 100±0.14 900±0.10
Staphylococcus aureus 324±3.13 256±2.63 169±0.09 - 1024±2.13
Pseudomonas aeruginosa - - - - 169±0.00
Klebsiella pneumonia - - - - 400±0.03
Enterobecter - - - - 625±0.17
Escherichia coli - - - - 625±0.61

“+ve” means positive control, “–” means the absence of inhibition