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Inhibition zones of high-molecular-weight and low-molecular-weight chitosan against oral streptococci
| Concentration (mg/ml) | Zone of inhibition (mm) | |||
|---|---|---|---|---|
| Streptococcus sobrinus | Streptococcus mutans | |||
| HMW | LMW | HMW | LMW | |
| 5 | 11.5 | 11.2 | 11.7 | 11 |
| 2.5 | 9.2 | 9 | 8.8 | 8.5 |
| 1.25 | 7.1 | 7 | 7 | 6.8 |
HMW: High molecular weight, LMW: Low molecular weight
