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
Gentamicin 1 8 7 9 6 13 7.4
Gentamicin 2 12 15 15 12 13 7.4
Table 2: Zones of Inhibition of Escherichia coli around the un-medicated (control 1 & 2), distilled water soaked, bitter melon extract soaked, and Gentamicin disks, observed after 24 hours of incubation at 37 degree C (series of 2 experiments).