Table 2.
Biochemical tests for the differentiation of E. sakazakii.
| Biochemical Tests | E. sakazakii (n = 189) | other α-glucosidase positive strains (n = 39) | other Enterobacteriaceae (n = 54) |
| α-glucosidase | 100 * | 100 | 0 |
| Arginine dehydrogenase | 97 | 13 | 67 |
| Citrate | 99 | 15 | 80 |
| D-saccharic acid | 0 | 23 | 33 |
| Dulcitol | 8 | 80 | 28 |
| glucose-1-phosphate | 0 | 59 | 83 |
| glucose-6-phosphate | 0 | 46 | 82 |
| Lipase | 96 | 44 | 4 |
| Methyl Red | 5 | 95 | 57 |
| Ornithine decarboxylase | 91 | 0 | 74 |
| Pyruvate | 3 | 92 | 50 |
| Raffinose | 100 | 15 | 63 |
| Sucrose | 100 | 21 | 47 |
| Voges Proskauer | 96 | 0 | 44 |
| Yellow pigment | 98 | 90 | 28 |
* denotes percent strains from the data set which were positive for the test