产品说明
应用
用于水、牛奶和其他奶制品中微生物平板计数的非选择性培养基。
制备说明
取17.5 g溶于1L蒸馏水中。不断搅拌加热至沸腾促进溶解，混合并分装到最终容器中。121℃高压灭菌15分钟。
其他说明
基于 β-葡糖苷酸酶和吲哚的直接平板计数法用于无应激大肠杆菌计数时的比较
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.74 |
产品性质
| agency | according to GB 4789.2-2016 according to ISO 17410:2019 according to ISO 4833-1:2013 according to ISO 4833-2:2013 |
| 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, 9.0 g/L dextrose, 1.0 g/L tryptone, 5.0 g/L yeast extract, 2.5 g/L |
| manufacturer/tradename | NutriSelect® Plus |
| technique(s) | microbiological culture: suitable |
| 最终pH | 7.0±0.2 (25 ℃) |
| application(s) | agriculture bioburden testing environmental food and beverages water monitoring microbiology |
| 适用性 | nonselective for Bacillus spp. nonselective for Escherichia coli nonselective for Lactobacillus spp. nonselective for Lactococcus spp. nonselective for Listeria spp. nonselective for Staphylococcus spp. nonselective for Streptococcus spp. nonselective for bacteria (General Media) nonselective 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 |
| 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
Sigma-Aldrich
m.cnreagent.com
