| Sterility test | sterile |
| Typical composition: Sterile egg-yolk 500 ml; NaCl 4.25 g; distilles water to give a final volume of 1000 ml. |
Growth promotion test in accordance with ISO 11133. Egg-yolk Emulsion tested in Mannitol-Egg-yolk-Polymyxine -Agar (=MYP-agar) Art. 1.05267. |
Growth - Bacillus cereus ATCC 11778 (WDCM 00001) | good growth |
| - Bacillus subtilis ATCC 6633 (WDCM 00003) | no limit |
| - Escherichia coli ATCC 8739 (WDCM 00012) | no growth |
| - Escherichia coli ATCC 25922 (WDCM 00013) | no growth |
Colony colour - Bacillus cereus ATCC 11778 (WDCM 00001) | pink |
| - Bacillus subtilis ATCC 6633 (WDCM 00003) | yellow |
Precipitate - Bacillus subtilis ATCC 6633 (WDCM 00003) | - |
| - Bacillus cereus ATCC 11778 (WDCM 00001) | + |
| Incubation: 48 hrs. 30 °C; B.cereus 24-48 hrs. 30 °C. |