Figure 1.

Bactericidal activity of SMG on MSSA. The percentage of MSSA bacteria killed, calculated by the number of colonies grown on the treated plate and the average of the number of colonies grown on control plates, were compared in relation to concentrations and incubation durations. Kill rate for each plate was calculated by using the number of colonies grown on that plate and the average of the number of colonies grown on control plates (gray dots). Mean kill rates (average of kill rates on treated plates) are expressed in black triangles. The method for counting was as described in Methods and Materials. The greatest effect was seen in the 2-hour incubation with 10 mM, 20 mM, and 40 mM.