Table 2. Minimum inhibition concentrations (µg/ml; MICa) at 24 h for RAcc-royalisin and nisin on different microorganism strains.
| Microorganisms strains | RAcc-royalisin | Nisin |
| Gram-positive bacteria | ||
| B. subtilis | <62.5 | <62.5 |
| M. flavus | <125 | <125 |
| S. aureus | <250 | <250 |
| C. tetani | <250 | NDb |
| Gram-negative bacteria | ||
| E. coli | >2000 | ND |
| S. typhimurium | >2000 | ND |
| P. vulgaris | >2000 | ND |
| Fungus | ||
| A. oryzae | >2000 | ND |
| P. viridicatum | >2000 | ND |
| P. fermentans | >2000 | ND |
a
MICs are concentrations where the average ΔOD 600 value was not greater than 0.05.
b
ND: not detected.