Fig. 5

The MIC of PS cocktail gel against E. faecalis by agar well diffusion assay. A Showed ZOI of PS gel descending concentration 300 mg/ml, 200 mg/ml, 100 mg/ml, and 50 mg/ml. MIC was 50 mg/ml with 7 mm ZOI. B Showed no ZOI of concentrations 25 mg/ml, 12.5 mg/ml, 6.2 mg/ml, and 3.1 mg/ml. *The label was set to mark the plate with PS gel after the calibrated observers measured the ZOI