105290 XLD Agar (acc. harm. EP/USP/JP) Xylose-lysine-deoxycholate agar untuk mikrobiologi
Simpan pada +15°C hingga +25°C.
Appearance (clearness) | clear |
Appearance (colour) | red |
pH-value (25 °C) | 7.2 - 7.6 |
Typical composition (g/litre): Yeast extract 3.0; Sodium chloride 5.0; D(+)-Xylose 3.5; Lactose 7.5; Sucrose 7.5; L(+)-Lysine 5.0; Sodium desoxycholate 2.5; Sodium thiosulfat 6.8; Ammoniumiron(III) citrate 0.8; Phenol red 0.08; Agar-agar 13.5. | |
Growth promotion test in accordance with the harmonised method of EP, USP and JP. | |
Inoculum on reference medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | 10 - 100 |
Inoculum on reference medium (Salmonella Abony NCTC 6017) | 10 - 100 |
Colony count (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | |
Colony count (Salmonella Abony NCTC 6017) | |
Recovery on test medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | ≥ 50 % |
Recovery on test medium (Salmonella Abony NCTC 6017) | ≥ 50 % |
Colony colour (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | red |
Colony colour (Salmonella Abony NCTC 6017) | red |
Black centre (Salmonella typhimurium ATCC 14028 (WDCM 00031)) | + |
Black centre (Salmonella Abony NCTC 6017) | + |
Growth (Escherichia coli ATCC 8739 (WDCM 00012)) | none to very good |
Colony colour (Escherichia coli ATCC 8739 (WDCM 00012)) | yellow |
Medium colour (Escherichia coli ATCC 8739 (WDCM 00012)) | yellow |
Precipitate (Escherichia coli ATCC 8739 (WDCM 00012)) | + |
Incubation: Salmonella 18 hrs.; 30-35°C; E.coli up to 48 hrs | |
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