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Table 1 Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values of nisin, licorice polyphenols (glabridin, licoricidin, licochalcone A), and chlorhexidine against three strains of E. faecalis

From: Biocompatible combinations of nisin and licorice polyphenols exert synergistic bactericidal effects against Enterococcus faecalis and inhibit NF-κB activation in monocytes

Compound Concentration of compound (µg/mL)
ATCC 19433 0DOT 1DOT
Nisin
 MIC 12.5 25 25
 MBC 25 50 50
Glabridin
 MIC 25 25 25
 MBC 100 50 50
Licoricidin
 MIC 6.25 12.5 6.25
 MBC 50 200 100
Licochalcone A
 MIC 12.5 12.5 12.5
 MBC 100 200 200
Chlorhexidine
 MIC 6.25 6.25 6.25
 MBC 50 50 50