Table 3 Minimal bactericidal concentration (MBC) of polyphenol-rich fractions from Sida urens L., and their bactericidal and bacteriostatic effect (MBC/MIC)
Microorganisms | MBC (μg/ml) | MMBC/MIC | Effect |
|---|---|---|---|
Pseudomonas aeruginosa | nd | nd | nd |
Streptococcus salivarius | 125 | 2 | + |
Streptococcus viridans | 250 | 2 | + |
Streptococcus mutans | 500 | 4 | - |
Bacillus megaterium | 125 | 2 | + |
Neisseria catarrhalis | 1000 | 4 | - |