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Voges-Proskauer test results for selected strains.
| Strain | 30′ | 1 h |
|---|---|---|
| E. coli HB101* | − | − |
| B. amyloliquefaciens plantarum FZB42 | + | + |
| B. cereus 26a1 | − | − |
| B. licheniformis DSM 13/ATCC 14580 | + | + |
| B. simplex 237 | − | − |
| B. simplex 11 | − | − |
| B. simplex 30N-5 | − | − |
| B. subtilis GB03 | + | + |
| B. subtilis 60b4** | + | + |
| P. polymyxa NRRL B-4317 | + | + |
Negative control
Positive control.
Measurements were taken 30 min and 1 h after the addition of the colorimetric reagents.
