| Appearance (clearness) | clear to opalescent |
| Appearance (colour) | yellowish to yellowish-brown |
| pH-value (25 °C) | 6.8 - 7.2 |
| Solidification behaviour (2 hrs., 40 °C) | liquid |
| Solidification behaviour (4 hrs., 45 °C) | liquid |
| Growth promotion test in accordance with the current version of DIN EN ISO 11133. |
| Inoculum on reference medium (Staphylococcus aureus ATCC 6538 (WDCM 00032)) | |
| Inoculum on reference medium (Staphylococcus aureus ATCC 25923 (WDCM 00034)) | |
| Inoculum on reference medium (Escherichia coli ATCC 8739 (WDCM 00012)) | |
| Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Inoculum on reference medium (Bacillus subtilis ATCC 6633 (WDCM 00003)) | |
| Colony count (Staphylococcus aureus ATCC 6538 (WDCM 00032)) | |
| Colony count (Staphylococcus aureus ATCC 25923 (WDCM 00034)) | |
| Colony count (Escherichia coli ATCC 8739 (WDCM 00012)) | |
| Colony count (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Colony count (Bacillus subtilis ATCC 6633 (WDCM 00003)) | |
| Recovery on test medium (Staphylococcus aureus ATCC 6538 (WDCM 00032)) | ≥ 70 % |
| Recovery (Staphylococcus aureus ATCC 25923 (WDCM00034)) | ≥ 70 % |
| 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 (Bacillus subtilis ATCC 6633 (WDCM 00003)) | ≥ 70 % |
Incubation: 72 ± 3 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
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