Presence or absence of colony
Concentrations tested (mg/ml)
S. aureus
E .coli
10
-
-
5
-
+
2,5
-
+
1,25
-
+
0,625
-
+
0,312
-
+
0,156
-
+
0,078
-
+
0,039
+
+
0,019
+
+
0,009
+
+
0,004
+
+
0,002
+
+
0,001
+
+
Table 1:
Minimal inhibitive concentration of the strains . - : Absence of Colony ; +: Presence of Colony
