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48305

Millipore

Gallensalze Natriumsalz

suitable for microbiology

Synonym(e):

Cholsäure-Deoxycholsäure Natriumsalz Mischung

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About This Item

MDL-Nummer:
MFCD00130648
UNSPSC-Code:
41106212
NACRES:
NA.85

Beschreibung

anionic

Qualitätsniveau

200

Sterilität

non-sterile

Assay

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

Form

powder

Zusammensetzung

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

Verunreinigungen

≤5% water

Verlust

≤5% loss on drying (water)

Löslichkeit

H2O: 0.1 g/mL, clear, faintly yellow

Anwendung(en)

microbiology

Lagertemp.

10-30°C

Verwandte Kategorien

Allgemeine Beschreibung

Bile salt is an organic sodium salt with a conjugate of any of the bile acids along with either glycine or taurine. Biles salts are composed of four different kinds of bile acids - cholic, deoxycholic, chenodeoxycholic and lithocholic acids.
Bile salts are extracted under controlled conditions from purified fresh bile, to be used in bacteriological culture media, where it behaves as a selective inhibitory agent that enables isolation and identification of pathogens. For example, in MacConkey Agar/Broth.

Anwendung

Bile salts may be used as one of the selective agents to prevent the growth of injured Escherichia coli cells, in an experiment done in order to identify the specific agent in the selective media which would inhibit the growth of the injured Escherichia coli ML30 cells. It may also be used for identification of isolates of Vibrio (Beneckea) vulnificus which is a halophilic bacterium, found responsible for causing several human infections.

Biochem./physiol. Wirkung

Bile salts are surface-active steroid compounds and their primary physiological function is to aid in the digestion of lipophilic nutrients in intestinal tracts of vertebrates.

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Analysenzertifikate (COA)

Lot/Batch Number
BCCG0220
BCCD5233
BCCD4806
BCCC7503
BCBX0128

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Sigma-Aldrich

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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
Leyuan Li et al.
Journal of proteome research, 17(1), 154-163 (2017-11-14)
In vitro culture based approaches are time- and cost-effective solutions for rapidly evaluating the effects of drugs or natural compounds against microbiomes. The nutritional composition of the culture medium is an important determinant for effectively maintaining the gut microbiome in
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