| Appearance (clearness) | clear |
| Appearance (colour) | red |
| pH-value (25 °C) | 7.2 - 7.6 |
| 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)) | |
| Colony count (Escherichia coli ATCC 8739 (WDCM 00012)) | |
| Recovery on test medium (Escherichia coli ATCC 8739 (WDCM 00012)) | ≥ 50 % |
| Colony colour (Escherichia coli ATCC 8739 (WDCM 00012)) | purplish-red colonies with or without precipitate halo |
| Inoculum on reference medium (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Colony count (Escherichia coli ATCC 25922 (WDCM 00013)) | |
| Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)) | ≥ 50 % |
| Colony colour (Escherichia coli ATCC 25922 (WDCM 00013)) | purplish-red colonies with or without precipitate halo |
| Inoculum on reference medium (Enterobacter cloacae ATCC 13047 (WDCM 00083)) | |
| Colony count (Enterobacter cloacae ATCC 13047 (WDCM 00083)) | |
| Recovery on test medium (Enterobacter cloacae ATCC 13047 (WDCM 00083)) | ≥ 50 % |
| Colony colour (Enterobacter cloacae ATCC 13047 (WDCM 00083)) | purplish-red colonies with or without precipitate halo |
| Growth (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)) | no limit |
| Colony colour (Pseudomonas aeruginosa ATCC 27853 (WDCM 00025)) | colourless to beige colonies |
| Growth (Enterococcus faecalis ATCC 19433 (WDCM 00009)) | total inhibition |
| Growth (Enterococcus faecalis ATCC 29212 (WDCM 00087)) | total inhibition |
Incubation: 24 ± 2 hours at 30 ± 1 °C
Reference media: Tryptic Soy Agar |
A recovery rate of 50 % is equivalent to a productivity value of 0.5.
The indicated colony counts result from the sum of a triple determination.
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