sterility
non-sterile
Quality Segment
form
powder
shelf life
limited shelf life, expiry date on the label
composition
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
final pH
7.2±0.2 (25 °C)
application(s)
agriculture
bioburden testing
environmental
food and beverages
water monitoring, microbiology
suitability
selective and differential for Escherichia coli, selective and differential for Klebsiella spp., selective and differential for coliforms
Application
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。
Preparation Note
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.
Other Notes
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.
Legal Information
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable