Table 1.
E. coli O157:H7 (log CFU/mL) in processing water after washing fresh-cut lettuce and shredded carrots. ND: not detected (below the limit of detection of 1.0 CFU/mL).
| Washing Water of LETTUCE Processing | Washing Water of CARROT Processing | |||||
|---|---|---|---|---|---|---|
| Patm | P: 3 bar | V: 10 mbar | Patm | P: 3 bar | V: 10 mbar | |
| PAA | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |
| ClO2 | 1.53 ± 1.1 | 1.19 ± 0.7 | 1.79 ± 0.1 | 2.19 ± 1.9 | 2.81 ± 0.1 | 2.10 ± 0.6 |
| W | 5.34 ± 0.7 | 5.17 ± 0.2 | 5.54 ± 0.2 | 4.98 ± 0.6 | 4.88 ± 0.1 | 4.92 ± 0.1 |
| CW | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |