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Colony count of E. coli O157:H7 H11 starved at 4°C recovered under aerobic and anaerobic conditions
| Day | Colony count (log CFU ml−1)a |
|||||||
|---|---|---|---|---|---|---|---|---|
| PCA |
PCA + sodium acetate |
PCA + sodium pyruvate |
TSA |
|||||
| Ae | An | Ae | An | Ae | An | Ae | An | |
| 0 | 8.6 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.6 | 8.7 |
| 84 | 5.2 | 5.6 | 5.2 | 5.4 | 5.7 | 6.8b | 7.0 | 7.2 |
Ae, aerobic incubation; An, anaerobic incubation.
Colony count of anaerobically incubated cells significantly (P < 0.01) higher than those under aerobic incubation.
