B3301
Bile salts
suitable for microbiology, (extracted under controlled conditions from purified fresh bile)
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Synonym(s):
Bile acids sodium salt, cholic acid-deoxycholic acid sodium salt mixture
UNSPSC Code:
41106212
NACRES:
NA.85
Recommended Products
Quality Level
biological source
(extracted under controlled conditions from purified fresh bile)
sterility
non-sterile
form
powder
loss
≤8% loss on drying
color
yellow to brownish-yellow
pH
7-9
solubility
distilled water: soluble
application(s)
microbiology
storage temp.
10-30°C
Related Categories
General description
Bile salt is an organic sodium salt with a conjugate of any of the bile acids along with either glycine or taurine. Bile 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.
Application
Bile Salts are used in MacConkey Agar and Broth as well as in Fluid Tetrathionate Medium to selectively inhibit bacteria that do not grow in an enteric environment. It is used as a selective agent in culture media for the selective growth of intestinal bacteria like E. coli, other fecal coliforms, and fecal Streptococci. But it is also used as a selective agent in media for the detection of Yersinia enterocolitica, Aeromonas hydrophila, and Vibrio species.
Preparation Note
Extracted from purified, fresh bile.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
监管及禁止进口产品
Certificates of Analysis (COA)
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Burman, N.P.
Proc. Soc. Water Treat. Exam., 10 (1955)
Martina Felici et al.
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