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Chromogenic β-D-Ribofuranoside Substrates

These compounds exploit the advantage that the spectrum of β-D-ribofuranosidase activity in many bacteria differs from that of other glycosidases commonly used for diagnostic purposes. This difference may be used to devise new media in diagnostic microbiology. One study on the evaluation of beta-D-ribofuranosides in the differentiation of Gram-negative bacteria has been published. 
Indoxyl-β-D-ribofuranosides such as 5-Bromo-4-chloro-3-indolyl β-D-ribofuranoside (70180) are protected by US Patent 7,323,488.

Picture : 5-Bromo-4-chloro-3-indolyl β-D-ribofuranoside in a mixed culture showing intense blue colonies due to E.coli, but colonies due to Yersinia enterocolitica remain colourless.

Code Item
51180 Alizarin 2-beta-D-ribofuranoside sodium salt
89180 Alizarin beta-D-ribofuranoside
70180 5-Bromo-4-chloro-3-indolyl beta-D-ribofuranoside
31180 5-Bromo-6-chloro-3-indolyl beta-D-ribofuranoside
01180 5-Bromo-3-indolyl beta-D-ribofuranoside
60180 6-Chloro-3-indolyl beta-D-ribofuranoside
80180 2,3-Dihydroxynaphthalene beta-D-ribofuranoside
86180 6-Fluoro-3-indolyl beta-D-ribofuranoside
14180 2-Hydroxyphenyl beta-D-ribofuranoside sodium salt
26180 Indolyl beta-D-ribofuranoside

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