TABLE 5.
Viable cell count in minced beef
| Medium and cell type | Cells/g ± SD |
|---|---|
| Plate count agar | |
| Total viable cells | (1.8 ± 0.1) × 106 |
| Desoxycholate agar | |
| Coliform cells | (5.1 ± 0.1) × 103 |
| MacConkey agar | |
| Total | (6.2 ± 0.2) × 104 |
| Lactose fermenting | (7.0 ± 2.9) × 103 |
| Rifampin-supplemented MacConkey agar | |
| Lactose fermenting | 0a |
| Lactose nonfermenting | (1.7 ± 0.5) × 102 |
| Nalidixic acid supplemented MacConkey agar | |
| Lactose fermenting | 0a |
| Lactose nonfermenting | (2.5 ± 0.5) × 103 |
a
0 indicates no cells in 0.02 g of the minced beef.