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无菌性
non-sterile
质量水平
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
制造商/商品名称
NutriSelect® Plus
最终pH
7.2±0.2 (25 °C)
应用
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
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°C for 15 minutes. Cool to 50°C 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.
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
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
动植物来源培养基
商品
选择性培养基可以为微生物的检测、识别和计数提供更快的结果和肉眼确认
An article concerning selective growth media for differentiation and detection of Escherichia coli and other coliforms.
有关用于分化和检测大肠杆菌和其他大肠菌群的选择性生长培养基的一篇文章。
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
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