Table 1. Comparison of detection when inoculated with less than 1.0 cfu/mL of E. sakazakii (Cronobacter spp.) N6 in various enrichment both
| Incubation time | Type of enrichment media |
| M | R | U | W | B | Colony color on DFI |
| 0 hour | - | - | - | - | - | - |
| 6 hours | - | 2.65 | 2.14 | 3.1 | 3.4 | Green1) |
| 18 hours | 6.7 | 9.04 | 9.41 | 9.47 | 9.59 | Green |
(–) is no grow.
Green colony color recognizes as E. sakazakii (Cronobacter spp.) on DFI.
M, mLST; R, R&F enrichment broth; U, universal pre-enrichment broth; W, water including 0.85% NaCl; B, buffered peptone water; DFI, Druggan-Forsythe-Iversen.