| Appearance (clearness) | clear to slightly opalescent |
| Appearance (colour) | yellowish-brown |
| pH-value (25 °C) | 6.8 - 7.2 |
| Solidification behaviour (2 hrs., 45 °C) | liquid |
| Growth promotion test in accordance with the current version of DIN EN ISO 11133. |
| Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)) | |
| Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Inoculum on reference medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | |
| Inoculum on reference medium (Salmonella enteritidis ATCC 13076 (WDCM 00030)) | |
| Inoculum on reference medium (Yersinia enterocolitica ATCC 9610 (WDCM 00038)) | |
| Inoculum on reference medium (Yersinia enterocolitica ATCC 23715 (WDCM 00160)) | |
| Inoculum on reference medium (Staphylococcus aureus ATCC 25923 (WDCM 00034)) | |
| Colony count (Escherichia coli ATCC 8739 (WDCM 00012)) | |
| Colony count (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Colony count (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | |
| Colony count (Salmonella enteritidis ATCC 13076 (WDCM 00030)) | |
| Colony count (Yersinia enterocolitica ATCC 9610 (WDCM 00038)) | |
| Colony count (Yersinia enterocolitica ATCC 23715 (WDCM 00160)) | |
| Colony count (Staphylococcus aureus ATCC 25923 (WDCM 00034)) | |
| Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012)) | ≥ 70 % |
| Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)) | ≥ 70 % |
| Recovery on test medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | ≥ 70 % |
| Recovery on test medium (Salmonella enteritidis ATCC 13076 (WDCM 00030)) | ≥ 70 % |
| Recovery on test medium (Yersinia enterocolitica ATCC 9610 (WDCM 00038)) | ≥ 70 % |
| Recovery on test medium (Yersinia enterocolitica ATCC 23715 (WDCM 00160)) | ≥ 70 % |
| Recovery (Staphylococcus aureus ATCC 25923 (WDCM00034)) | ≥ 70 % |
Incubation:
24 ± 2 at 37 ± 1 °C aerobic
Yersinia 24 ± 2 hours at 30 ± 1 °C aerobic
A recovery rate of 70 % is equivalent to a productivity value of 0.7.
The indicated colony counts result from the sum of a triple determination.
Reference media: Tryptic Soy Agar |
