跳转至内容
Merck
CN

69966

Millipore

MRS肉汤

suitable for microbiology, NutriSelect® Basic

别名:

乳酸杆菌肉汤(根据De Man,Rogosa和Sharpe的报道)

登录查看公司和协议定价


About This Item

UNSPSC代码:
41171607
NACRES:
NA.74

无菌性

non-sterile

质量水平

形式

powder

保质期

limited shelf life, expiry date on the label

组成

dipotassium hydrogen phosphate, 2 g/L
glucose, 20 g/L
magnesium sulfate monohydrate, 0.2 g/L
manganous sulfate tetrahydrate, 0.05 g/L
meat extract, 8 g/L
peptone, 10 g/L
sodium acetate, 5 g/L
triammonium citrate, 2 g/L
yeast extract, 4 g/L

包装

pkg of 500 g

制造商/商品名称

NutriSelect® Basic

技术

microbiological culture: suitable

pH值(酸碱度)

6.2±0.2

应用

agriculture
bioburden testing
environmental
food and beverages

microbiology

适用性

selective by low pH for Bifidobacterium spp.
selective by low pH for Lactobacillus spp.

一般描述

MRS 肉汤用于从所有类型的材料中富集、培养和分离所有种类的乳酸杆菌(根据 DeMan、Rogosa 和 Sharpe 的报道)。该培养基可用于从 MRS 琼脂中分离出的菌落的确认测试。MRS 培养基含有聚山梨醇酯(Tween 80)、醋酸盐、镁和锰,这些都是乳酸杆菌的已知的特殊生长因子,并且是丰富的营养基础。由于这些培养基显示出非常低的选择性,片球菌明串珠菌以及其他继发细菌可能会在其中生长。大多数伴随的微生物群落可以被醋酸铊、山梨酸、醋酸、亚硝酸钠、放线菌素和多粘菌素抑制。这些物质可以以不同的浓度和组合使用,但不可避免地必须在有机体的选择性和回收率之间达成妥协。

应用

MRS 肉汤用于从所有类型的材料中富集、培养、分离所有种类的乳酸杆菌

制备说明

将 51.25 g 溶解在 1 升蒸馏水中并加入 1 ml Tween® 80(货号 P8074)。加热煮沸至完全溶解培养基。装入容器并通过121°C高压灭菌15 分钟进行灭菌。在 35°C 下孵育培养物最多3天,或在30°C下最多孵育 5 天。如果可能,在富含二氧化碳的厌氧罐中孵育培养物。

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
TWEEN is a registered trademark of Croda International PLC

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)


Choose from one of the most recent versions:

分析证书(COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

L.C. Laleye et al.
Journal of Food Protection, 50, 1009-1009 (1987)
P Laloi et al.
Applied microbiology and biotechnology, 36(2), 196-204 (1991-11-01)
Whole cells of Lactobacillus delbrueckii subsp. bulgaricus CNRZ 397 were able to hydrolyse alpha- and beta-caseins. Irrespective of the growth medium used, milk or De Man-Rogosa-Sharpe (MRS) broth, identical patterns of alpha- and beta-casein hydrolytic products, respectively, were visualized by
J.D. DeMan et al.
The Journal of Applied Bacteriology, 23, 130-130 (1960)
Sonja Blasche et al.
Nature microbiology, 6(2), 196-208 (2021-01-06)
Microbial communities often undergo intricate compositional changes yet also maintain stable coexistence of diverse species. The mechanisms underlying long-term coexistence remain unclear as system-wide studies have been largely limited to engineered communities, ex situ adapted cultures or synthetic assemblies. Here
Rupal Mistry et al.
Genetics, 206(2), 889-904 (2017-04-18)
Resident gut bacteria are constantly influencing the immune system, yet the role of the immune system in shaping microbiota composition during an organism's life span has remained unclear. Experiments in mice have been inconclusive due to differences in husbandry schemes

商品

Traditional methods are based morphology, staining methods, enzyme reactions (metabolism) and diverse media.

Cost-effective molecular biology method for lactobacilli detection is presented as an alternative to PCR-based methods.

Probiotics exhibit an inhibitory effect on pathogens, help prevent chronic intestinal inflammatory diseases or atopic syndromes, and support the immune system.

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门