Journal of Pharmaceutics / 2016 / Article / Tab 5

Research Article

Formulation and Evaluation of Antibacterial Creams and Gels Containing Metal Ions for Topical Application

Table 5

Antimicrobial activity of the selected gel formulations in various dilutions against Escherichia coli and Staphylococcus aureus ().

Concentration of each active (%)Zone of inhibition (mm) (mean ± SD)
G1G5
E. coliS. aureusE. coliS. aureus

0 (blank)0000
0 (paraben concentrate)0000
0.10000
0.258.4 ± 0.29.1 ± 0.39.2 ± 0.59.2 ± 0.17
0.511.4 ± 0.111.9 ± 0.512.3 ± 0.611.3 ± 0.4
116.5 ± 0.118.1 ± 0.916.6 ± 1.313.9 ± 0.2
221.9 ± 0.623.1 ± 0.221.8 ± 0.217.6 ± 0.4
324.9 ± 0.326.3 ± 0.424.4 ± 0.419.7 ± 0.4
Gentamicin (control)22.4 ± 0.1523.5 ± 0.222.7 ± 1.821.3 ± 1.2

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