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Deoxycholate lactose agar
产品性质
Quality Level【质量水平】 | 200 |
form【形式】 | medium granules (dehydrated (DCM)) |
manufacturer/tradename | GranuCult® |
technique(s) | microbiological culture: suitable |
pH【pH值(酸碱度)】 | 6.9-7.3 (25 ℃, 57 g/L in H2O) |
solubility【溶解性】 | 57 g/L |
application(s) | food and beverages microbiology |
storage temp.【储存温度】 | 15-25℃ |
suitability【适用性】 | coliforms |
基本信息
Analysis Note【分析说明】 | Appearance (clearness): clear to slightly opalescent Appearance (colour): red-brown pH-value (25 °C): 6.9 - 7.3 Solidification behaviour (2 hrs., 45 °C): liquid Recovery on test medium (Escherichia coli ATCC 25922 (WDCM 00013)): ≥ 40 % Recovery on test medium (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): ≥ 40 % Recovery on test medium (Enterobacter cloacae ATCC 13047 (WDCM 00083)): ≥ 40 % Recovery on test medium (Salmonella typhimurium ATCC 14028 (WDCM 00031)): ≥ 40 % Recovery on test medium (Salmonella enteritidis ATCC 13076 (WDCM 00030)): ≥ 40 % Recovery on test medium (Shigella flexneri ATCC 12022 (WDCM 00126)): ≥ 40 % Recovery on test medium (Proteus mirabilis ATCC 14273): ≥ 40 % Recovery on test medium (Enterococcus faecalis ATCC 11700): ≤ 0.01 % Recovery on test medium (Staphylococcus aureus ATCC 25923 (WDCM 00034)): ≤ 0.01 % Colony colour (Escherichia coli ATCC 25922 (WDCM 00013)): red Colony colour (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): pink/red Colony colour (Enterobacter cloacae ATCC 13047 (WDCM 00083)): pink/red Colony colour (Salmonella typhimurium ATCC 14028 (WDCM 00031)): colourless Colony colour (Salmonella enteritidis ATCC 13076 (WDCM 00030)): colourless Colony colour (Shigella flexneri ATCC 12022 (WDCM 00126)): colourless Colony colour (Proteus mirabilis ATCC 14273): colourless Precipitate (Escherichia coli ATCC 25922 (WDCM 00013)): + Precipitate (Klebsiella pneumoniae ATCC 13883 (WDCM 00097)): +/poor Precipitate (Enterobacter cloacae ATCC 13047 (WDCM 00083)): +/poor Incubation: 24 hrs.; 35 °C; aerobic. |
Footnote【附注】 | We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs. The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance. |
Legal Information【法律信息】 | GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany |
安全信息
Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
WGK | WGK 2 |