| Storage period (days) | Streptococcus thermophilus ST-M5 | Lactobacillus bulgaricus LB-12 |
| LS means | ||
| 1 | 9.20c | 8.38a |
| 7 | 9.28c | 8.19bc |
| 14 | 9.62a | 8.38a |
| 21 | 9.38bc | 8.18c |
| 28 | 9.58a | 7.21d |
| 35 | 9.53ab | 6.34e |