Table 2. Antimicrobial Activity of Betaine Hydrochloride, b-HEC, and b-PVA against S. aureus and P. aeruginosa.
| S. aureus | P. aeruginosa | |||
|---|---|---|---|---|
| MIC (mg/mL) | MBC (mg/mL) | MIC (mg/mL) | MBC (mg/mL) | |
| BET HCl | 5 | 20 | 2.5 | 10 | 
| Ch-Cl | >20 | >20 | ||
| b-PVA | >20 | >20 | ||
| b-HEC | >20 | >20 | ||
| c-HEC | 0.08 | >0.31 | >10 | |
| q-HEC | >5 | >5 | ||