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Merck
CN
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主要文件

48305

Millipore

胆盐

suitable for microbiology

别名:

胆汁酸钠盐-脱氧胆酸钠盐混合物, 胆汁酸 钠盐, 胆酸-脱氧胆酸钠盐混合物

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About This Item

MDL编号:
MFCD00130648
UNSPSC代码:
41106212
NACRES:
NA.85

描述

anionic

质量水平

200

无菌性

non-sterile

方案

40-60% (Cholic Acid ; approximately 50% sodium cholate and approximately 50% sodium deoxycholate, HPLC)

表单

powder

组成

cholic acid sodium salt, ~50%
deoxycholic acid sodium salt, ~50%

杂质

≤5% water

缺失

≤5% loss on drying (water)

溶解性

H2O: 0.1 g/mL, clear, faintly yellow

应用

microbiology

储存温度

10-30°C

相关类别

一般描述

胆汁盐是一种有机钠盐，包含任何胆汁酸与甘氨酸或牛磺酸的偶联物。胆汁盐由四种不同的胆汁酸组成：胆酸、脱氧胆酸、鹅去氧胆酸和石胆酸。
胆汁盐是在受控条件下由纯化的新鲜胆汁提取出来，可用于细菌培养基，在细胞培养基中它作为一种选择性抑制剂，可以分离和鉴定病原体。例如，麦康凯琼脂/肉汤

应用

在进行的实验中，胆汁盐可以用作选择性试剂之一，以防止受损的大肠杆菌细胞的生长，以鉴定选择性培养基中的特异性试剂，其将抑制受损的大肠杆菌 ML30 细胞的生长。它也可以用于创伤弧菌（贝内克氏菌属）的分离鉴定，它是一种嗜盐菌，可导致几种人类传染病。

生化/生理作用

胆汁盐是表面活性的类固醇化合物，它们的主要生理功能是帮助消化脊椎动物肠道中的亲脂性营养素。

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)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCM7134
BCCK4542
BCCH7185
BCCJ5649
BCCJ5529

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Eunsil Choi et al.
Frontiers in microbiology, 11, 597515-597515 (2020-11-27)
The BipA (BPI-inducible protein A) protein is ubiquitously conserved in various bacterial species and belongs to the translational GTPase family. Interestingly, the function of Escherichia coli BipA is not essential for cell growth under normal growth conditions. However, cultivation of
Bonggyu Min et al.
Frontiers in bioengineering and biotechnology, 8, 828-828 (2020-08-15)
Stress resistance is an important trait expected of lactic acid bacteria used in food manufacturing. Among the various sources of stress, high temperature is a key factor that interrupts bacterial growth. In this regards, constant efforts are made for the
Bacterial degradation of bile salts.
Philipp B
Applied Microbiology and Biotechnology, 89 (4), 903-915 (2011)
Luis Noriega et al.
International journal of food microbiology, 94(1), 79-86 (2004-06-03)
Six derivatives with increased resistance to ox gall (MIC: > or = 1% w/v) and one derivative resistant to sodium cholate (MIC: 0.8% w/v) were obtained from more sensitive original Bifidobacterium strains. These microorganisms, and two additional cholate resistant derivatives
Nadja Haarmann et al.
International journal of medical microbiology : IJMM, 308(7), 912-920 (2018-06-27)
Escherichia coli O104:H4 (E. coli O104:H4), which caused in 2011 a massive foodborne outbreak in Germany, is characterized by an unusual combination of virulence traits. E. coli O104:H4 contains a prophage-encoded Shiga toxin (Stx) gene, which is the cardinal virulence
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Base Ingredients of Microbiology Media

Culture media provides a habitat with suitable nutrients, energy sources, and certain environmental conditions for the growth of microorganisms. The components of the culture media range from simple sugars to peptones, salts, antibiotics, and complex indicators.

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