产品说明
应用
HiCrome 大肠杆菌琼脂 B 建议用于检测和计数食物中的 大肠杆菌，不需要再通过膜过滤或吲哚试剂进行确认。当存在对大肠杆菌高度特异性的葡萄糖醛酸苷酶时，可从其他大肠菌中鉴别大部分的大肠杆菌菌株。大肠杆菌细胞可吸收 X-葡萄糖苷酸，而胞内葡萄糖醛酸苷酶则可断开发色团与葡萄糖苷酸之间的键合。释放的发色团使菌落呈蓝色。
制备说明
Suspend 36.6 g per litre in distilled water. Sterilize by autoclaving at 121℃ for 15 minutes. Cool to 50℃ and pour into sterile petri plates.
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.
法律信息
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| NACRES | NA.85 |
产品性质
| 质量水平 | 200 |
| 无菌性 | non-sterile |
| 形式 | powder |
| 保质期 | limited shelf life, expiry date on the label |
| 组成 | agar, 15 g/L bile salt mixture, 1.5 g/L casein enzymic hydrolysate, 20 g/L X-glucuronide, 0.075 g/L |
| manufacturer/tradename | NutriSelect® Plus |
| 最终pH | 7.2±0.2 (25 ℃) |
| application(s) | agriculture bioburden testing environmental food and beverages water monitoring microbiology |
| 适用性 | selective and differential for Escherichia coli selective and differential for Klebsiella spp. selective and differential for coliforms |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 3 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
Sigma-Aldrich
m.cnreagent.com
