Table 2.
The results of analysis
| Microorganisms | Min (CFU/g) | Max (CFU/g) | Average (CFU/g) | npb | Ratio of positive samples (%) |
|---|---|---|---|---|---|
| B. cereus | 9.0 × 101 | >3.0 × 105 | 1.3 × 105 | 520 | 86.6 |
| S. aureus | 2.6 × 103 | >2.9 × 108 | 2.1 × 107 | 360 | 60 |
| E. colia | <3.0 | >2.4 × 103 | 3.5 × 102 | 600 | 100 |
| Salmonella sp. | – | – | – | 280 | 46.6 |
| Clostridium sp. | <3.0 | >2.4 × 103 | 1.6 × 102 | 600 | 100 |
aAccording to the MPN table, b positive sample numbers. The table indicates the minimum (Min), maximum (Max) and Average results of 600 samples analyzed in our study for the given microorganisms