产品说明
应用
用于大肠杆菌分离和计数的选择性培养基。
制备说明
将39.5克悬浮于1升蒸馏水中，然后浸泡。煮沸以使粉末完全溶解。频繁搅拌煮沸1分钟以进行灭菌。请勿高压灭菌。 在恒温浴中长时间加热可能会导致少量的沉淀。
其他说明
牛奶中大肠杆菌的计数
附注
我们现提供两种类型的培养基：GranuCult®优质颗粒状培养基和NutriSelect®高性价比粉末状培养基，满足用户不同层次的需求。
商标后的品级称号basic(基础)、plus(加强)或prime(特级)代表产品的不同质控水平，从基础的质控到标准质控加强版到全面合规的特级质控水平。
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 |
| agency | according to ISO 21528-1:2017 according to ISO 21528-2:2017 |
| 无菌性 | non-sterile |
| 形式 | powder |
| 保质期 | limited shelf life, expiry date on the label |
| 组成 | agar, 13.0 g/L bile salts, 1.5 g/L crystal violet, 0.002 g/L dextrose, 10.0 g/L neutral red, 0.03 g/L peptone (from gelatin), 7.0 g/L sodium chloride, 5.0 g/L yeast extract, 3.0 g/L |
| manufacturer/tradename | NutriSelect® Plus |
| technique(s) | microbiological culture: suitable |
| 最终pH | 7.4±0.2 (25 ℃) |
| application(s) | agriculture bioburden testing environmental food and beverages water monitoring microbiology |
| 适用性 | selective and differential for Citrobacter spp. selective and differential for Enterococcus spp. selective and differential for Escherichia coli selective and differential for Klebsiella spp. selective and differential for Proteus spp. selective and differential for Salmonella spp. selective and differential for Shigella spp. selective and differential for coliforms selective and differential for enterobacteriaceae |
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 |
| 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
Sigma-Aldrich
m.cnreagent.com
