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Thermo Scientific™ Tryptone Bile X-Glucuronide (TBX) Medium

Detect and enumerate Escherichia coli in food and animal feed samples with this selective, chromogenic, ready-to-use medium.

17.55€ - 31.65€

Specifications

Format 90mm Monoplate
Media Type TBX Medium
Product Type Agar
Packaging Type Flow Wrapped - Single Layer
Quantity 10/Pk.
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Products 2
Product Code Brand Quantity Fill Weight Media Type Price Quantity & Availability  
Product Code Brand Quantity Fill Weight Media Type Price Quantity & Availability  
11974162
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Thermo Scientific™
PO5109A
10/Pk. 17g ± 5% TBX Medium
17.55€
Pack of 10
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12972628
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Thermo Scientific™
PO0727A
10/Pk. 19.5g ± 1.0.g TBX Medium
31.65€
Pack of 10
In Stock
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Description

Description

Detect and enumerate Escherichia coli in food samples with Thermo Scientific™ Typtone Bile X-Glucuronide (TBX) Medium. TBX Medium builds on the speed, reliability and recovery from frozen samples and detection of poor lactose fermenters offered by the original Tryptone Bile Agar1,2, with the addition of a chromogenic agent, X-glucuronide, which detects glucuronidase activity: an enzyme shown to be highly specific for Escherichia coli3. The released chromophore in TBX Medium is insoluble and accumulates within the cell, making colored target colonies easy to identify

Most Escherichia coli strains can be differentiated from other coliforms by the presence of the enzyme glucuronidase. However, approximately 3 to 4% of Escherichia coli are glucuronidase negative, notably Escherichia coli O157 strains4.
 
The chromogen in TBX Medium is 5-bromo-4-chloro-3-indolyl-beta-D-glucuronide (X-glucuronide) and is targeted by glucuronidase. Escherichia coli cells are able to absorb this complex intact and intracellular glucuronidase splits the bond between the chromophore and the glucuronide. The released chromophore is colored and builds up within the cells, causing Escherichia coli colonies to be colored blue/green.
 
Not all products are available for sale in all territories. Please inquire.
 
Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.
Specifications

Specifications

90mm Monoplate
Agar
10/Pk.
TBX Medium
Flow Wrapped - Single Layer
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Safety and Handling

Safety and Handling

missing translation for 'shelfLife' : 12 Weeks

SDS
Documents

Documents

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