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. 2013 Jun;16(2):15–22. doi: 10.3831/KPI.2013.16.014

Table. 3. Growth-inhibition-zone diameters of six bacterial species.

Bacteria Strain Growth inhibition zone diameter (mm) Mean ±STD
Formula 1 Formula@ Formula 3
staphylococcus aureus 22.66* ± 0.57 25.66* ± 0.57 21.66* ± 1.52
streptococcus 22.00* ± 1.0 23.33* ± 1.15 21.33* ± 1.52
Pseudomonas aeruginosa 15.66* ± 0.57 19.66* ± 0.57 15.66* ± 0.57
Klebsiella pneumonia 20.66* ± 1.33 19.33* ± 1.15 19.00* ± 1.00
Proteus mirabilis 16.33* ± 0.57 20.33* ± 0.57 19.66* ± 0.57
ecoli 18.33* ± 0.57 21.33* ± 1.15 18.00* ± 1.00

@ASLAN: Distilled water was used for the control group, in which group the growth-inhibition -zone diameter was 8 mm for all pathogens. * P< 0.05.