Independent Variables Zone of Inhibition (mm)
  Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Avg.
Control 1 0 0 0 0 0 0
Control 2 0 0 0 0 0 0
Distilled Water 1 0 0 0 0 0 0
Distilled Water 2 0 0 0 0 0 0
Interior Skin 1 0 0 0 0 0 0
Interior Skin 2 0 0 0 0 0 0
Middle Skin 1 0 0 0 0 0 0
Middle Skin 2 0 0 0 0 0 0
Exterior Skin 1 0 0 0 0 0 0
Exterior Skin 2 0 0 0 0 0 0
Penicillin 1 13 12 12 12 13 12.4
Penicillin 2 12 15 15 12 13 13.4
Erythromycin 1 11 10 10 10 11 10.4
Erythromycin 2 7 9 8 8 6 7.6
Table 1: Zones of Inhibition of Staphylococcus aureus around the un-medicated (control 1 & 2), distilled water soaked, bitter melon extract soaked, Penicillin and Erythromycin disks, after 24 hours of incubation at 37 degree C (series of 2 experiments).