产品说明
应用
Nickels and Leesment ChromoSelect Medium is used for the enumeration of citrate-fermenting lactic acid bacteria from milk, milk products and mesophilic starter cultures.
制备说明
Supplement:
2 vl/L of Nickels and Leesment ChromoSelect Selective Supplement (Cat. No. 40952).
Suspend 66.0 grams of dehydrated medium in 1000 ml distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 15 lbs pressure (121℃) for 15 minutes. If desired, add rehydrated contents of 2 vials of Nickels and Leesment ChromoSelect Selective Supplement (Cat. No. 40952).
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 | agar, 15.0 g/L calcium lactate pentahydrate, 8.0 g/L carboxymethyl cellulose (CMC), 0.40 g/L casein enzymic hdrolysate, 18.0 g/L chromogenic substrate (X-gal), 0.20 g/L gelatine, 2.25 g/L glucose, 4.5 g/L lactose, 4.5 g/L sodium chloride, 3.6 g/L tricalcium dicitrate tetrahydrate, 6.65 g/L trisodium citrate dihydrate, 1.8 g/L yeast extract, 4.5 g/L |
| manufacturer/tradename | NutriSelect® Plus |
| 最终pH | 6.65±0.05 (25 ℃) |
| application(s) | bioburden testing environmental food and beverages microbiology |
| 储存温度 | 2-8℃ |
| 适用性 | Lactococcus spp. Leuconostoc 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 |
Sigma-Aldrich
m.cnreagent.com
