产品说明
应用
用于食物中产气荚膜梭菌的早期芽孢形成。
制备说明
Suspend 26.31 g in 1 litre distilled water. Dispense the medium in 15 ml amounts in screw capped tubes and sterilize by autoclaving at 121℃ for 15 minutes. Cool to 45-50℃ and add 0.6 ml of filter sterilized 10% raffinose and 0.2 ml each of sterile 0.66 M sodium carbonate and 0.32% cobalt chloride dropwise to each 15 ml base medium in the tubes. Just before use, steam the medium for 10 minutes and after cooling, add 0.2 ml of filter sterilized (freshly prepared) 1.5% sodium ascorbate to each tube of the medium.
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 |
| 组成 | ammonium acetate, 1.5 g/L biopeptone, 10 g/L disodium phosphate, 4.36 g/L magnesium sulfate.7H2O, 0.2 g/L monopotassium phosphate, 0.25 g/L yeast extract, 10 g/L |
| manufacturer/tradename | NutriSelect® Plus |
| technique(s) | microbiological culture: suitable |
| 最终pH | 7.8±0.2 (25 ℃) |
| application(s) | food and beverages microbiology |
| 适用性 | nonselective for Clostridium spp. |
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
