Egg yolk emulsion

产品说明

联系

Replaces: 1.03784.0007

分析说明

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.

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