Fig. 4

The MIC of PS cocktail solution against E. faecalis by agar well diffusion assay. A Showed ZOI of PS solution descending concentration 300 mg/ml, 200 mg/ml, 100 mg/ml, and 50 mg/ml. MIC was 50 mg/ml with 8 mm ZOI. B Showed no ZOI of concentrations 25 mg/ml, 12.5 mg/ml, 6.2 mg/ml, and 3.1 mg/ml