产品说明
应用
建议用于培养酿酒和工业发酵中的细菌。
组分
成分 (g/L)
酶水解酪蛋白，5.00
酵母提取物，4.00
右旋糖，50.00
磷酸二氢钾，0.55
氯化钾，0.425
氯化钙，0.125
硫酸锰，0.125
氯化铁，0.0025
硫酸锰，0.0025
溴甲酚绿，0.022
制备说明
Suspend 60.25 g of WL Nutrient Broth in 1000 ml of distilled water. Boil to dissolve the medium completely. Sterilize by autoclaving at 15 lbs. pressure (121℃) for 15 minutes. If desired to obtain a pH of 6.5 add a 1% solution of sodium bicarbonate (Cat. No. 71627).
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 |
| manufacturer/tradename | NutriSelect® Plus |
| technique(s) | microbiological culture: suitable |
| 最终pH | 5.5±0.2 (25 ℃) |
| application(s) | bioburden testing food and beverages microbiology |
| 适用性 | selective for Candida spp. selective for Escherichia coli selective for Lactobacillus spp. selective for Pichia spp. selective for Proteus spp. selective for Saccharomyces spp. selective for Zygosaccharomyces spp. selective 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
