Table 1.
Viable counts on CTSI agar of Carnobacterium spp. in inoculated and uninoculateda meat samples after 0 and 7 days of storage at 4°C in air and vacuum packs
| Sample | Viable count (CFU g−1)b in: |
|||
|---|---|---|---|---|
| Air |
Vacuum pack |
|||
| Day 0 | Day 7 | Day 0 | Day 7 | |
| Control | 0 | 0 | 0 | 0 |
| H04 | 2.8 × 104 | 3.5 × 107 | 1.1 × 104 | 2.0 × 107 |
| I04 | 1.8 × 104 | 6.3 × 107 | 5.8 × 103 | 1.0 × 107 |
| I05 | 5.8 × 104 | 1.5 × 107 | 2.1 × 104 | 1.0 × 107 |
| B175 | 5.0 × 104 | 3.6 × 107 | 1.5 × 104 | 4.6 × 107 |
| F271 | 1.4 × 104 | 1.7 × 107 | 1.9 × 104 | 5.9 × 107 |
| Hc71 | 2.3 × 104 | 8.8 × 106 | 1.1 × 104 | 4.8 × 107 |
| Hc73 | 1.2 × 104 | 7.8 × 106 | 6.1 × 103 | 6.7 × 107 |
| H171 | 1.2 × 104 | 1.8 × 107 | 1.6 × 104 | 1.6 × 107 |
| H172 | 1.5 × 104 | 1.0 × 107 | 1.7 × 104 | 6.8 × 107 |
| H173 | 2.2 × 104 | 4.0 × 107 | 8.3 × 103 | 4.1 × 107 |
| H175 | 1.6 × 104 | 2.8 × 107 | 4.4 × 103 | 4.8 × 107 |
| Ic72 | 2.8 × 104 | 5.0 × 107 | 1.7 × 104 | 3.2 × 107 |
| Ic73 | 3.3 × 104 | 9.5 × 106 | 2.3 × 104 | 8.4 × 107 |
| Ic74 | 3.8 × 104 | 3.5 × 107 | 1.2 × 104 | 5.5 × 107 |
| Ic75 | 4.2 × 104 | 3.1 × 107 | 4.2 × 103 | 1.6 × 107 |
| I171 | 8.7 × 103 | 1.3 × 107 | 1.3 × 104 | 6.3 × 107 |
| I172 | 1.8 × 104 | 7.5 × 107 | 3.1 × 104 | 1.9 × 107 |
| I173 | 1.3 × 104 | 2.3 × 107 | 1.2 × 104 | 1.0 × 107 |
| I174 | 3.3 × 104 | 2.1 × 107 | 2.7 × 104 | 8.6 × 107 |
| I175 | 1.0 × 104 | 4.1 × 107 | 2.5 × 104 | 4.4 × 107 |
| Lc72 | 3.3 × 104 | 2.1 × 107 | 4.7 × 104 | 8.1 × 107 |
| L171 | 1.3 × 104 | 5.8 × 107 | 2.5 × 104 | 6.0 × 107 |
| M173 | 6.2 × 104 | 3.2 × 107 | 8.4 × 103 | 3.3 × 107 |
| B1201 | 1.1 × 104 | 8.2 × 107 | 5.5 × 104 | 6.0 × 107 |
| D1201 | 2.2 × 104 | 3.4 × 107 | 1.1 × 103 | 3.6 × 107 |
| D1202 | 2.9 × 104 | 6.2 × 107 | 2.6 × 103 | 1.6 × 107 |
| D1203 | 1.3 × 104 | 9.1 × 107 | 1.1 × 104 | 1.0 × 107 |
| D1204 | 2.2 × 104 | 8.7 × 107 | 2.0 × 104 | 7.6 × 106 |
| D1205 | 1.7 × 104 | 7.8 × 107 | 3.0 × 103 | 1.8 × 107 |
| F1201 | 1.3 × 103 | 1.2 × 107 | 2.6 × 103 | 2.4 × 107 |
| F1202 | 2.0 × 104 | 1.0 × 107 | 6.4 × 103 | 1.0 × 107 |
| F1204 | 4.6 × 104 | 1.0 × 107 | 8.6 × 103 | 1.0 × 107 |
| F1205 | 2.6 × 104 | 6.3 × 107 | 7.7 × 103 | 2.0 × 107 |
| Hc203 | 3.1 × 104 | 8.0 × 106 | 1.9 × 104 | 8.2 × 107 |
| H1201 | 3.7 × 104 | 1.2 × 107 | 1.2 × 104 | 9.2 × 107 |
| H1202 | 2.2 × 104 | 7.1 × 107 | 2.4 × 104 | 1.3 × 107 |
| H1203 | 2.8 × 104 | 6.3 × 107 | 9.5 × 103 | 1.8 × 107 |
| H1205 | 2.4 × 104 | 1.6 × 107 | 2.6 × 104 | 1.5 × 107 |
| Ic204 | 1.5 × 104 | 5.9 × 107 | 1.9 × 104 | 1.8 × 107 |
| I1203 | 4.3 × 104 | 1.0 × 107 | 2.2 × 104 | 1.6 × 107 |
| 2M | 2.0 × 104 | 8.2 × 107 | 1.7 × 104 | 3.0 × 107 |
| 7M | 3.0 × 103 | 7.4 × 107 | 4.0 × 104 | 2.9 × 107 |
| 9P | 2.6 × 103 | 8.0 × 107 | 9.0 × 103 | 1.5 × 107 |
| DSM20342 | 1.2 × 104 | 5.2 × 107 | 2.7 × 104 | 2.2 × 107 |
a
Ten samples of uninoculated meat were used as negative controls both in air and in vacuum packs.
b
Expressed as a mean based on duplicate experiments. Standard deviations were always lower than 20% of the means.