| Characteristics | Z3-1 | FG 1 | |
| Source | Rice silage | A commercial inoculation | |
| Species | Lactobacillus casei | Lactobacillus plantarum | |
| Shape | Rod | Rod | |
| Gram stain | + | + | |
| Gas from glucose | − | − | |
| Catalase | − | − | |
| Fermentation type | Homo | Homo | |
| Growth at temperature | |||
| 5˚C | − | − | |
| 10˚C | − | − | |
| 15˚C | w | w | |
| 45˚C | + | + | |
| 50˚C | − | − | |
| Growth at pH | |||
| 3.0 | + | − | |
| 3.5 | + | + | |
| 4.0 | + | + | |
| 5.0 | + | + | |
| 6.0 | + | + | |
| 8.0 | + | + | |
| Growth in NaCl (%) | |||
| 3.0 | + | + | |
| 6.5 | + | − | |