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Thermo Scientific™ Remel™ Voges-Proskauer B Test

Catalog No. R21281
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25 mL
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R21281 25 mL
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Catalog No. R21281 Supplier Thermo Scientific™ Supplier No. R21281

Description

Determine the ability of gram-negative bacilli to produce acetylmethylcarbinol (acetoin) from glucose fermentation using Voges-Proskauer B Test.

Determine the ability of gram-negative bacilli to produce acetylmethylcarbinol (acetoin) from glucose fermentation using Thermo Scientific™ Remel™ 40% Potassium Hydroxide Reagent for Voges-Proskauer B Test. In 1898, Voges and Proskauer reported production of acetylmethylcarbinol from glucose fermentation by certain bacteria when grown in an appropriate medium such as MR-VP Broth1,2. Later Barret made the VP test more sensitive by using 40% Potassium Hydroxide (VP-B) to the medium for the detection of acetylmethylcarbinol production3.

The Voges-Proskauer test is based on the detection of acetylmethylcarbinol from glucose metabolism4.Ease of Differentiation: VP positive organisms produce a pink color development while VP negative organisms produce no color.Rapid Detection: Within 15 minutes.Glucose is metabolized to pyruvic acid from which the neutral products acetoin and 2,3-butanediol are formed. In the presence of oxygen and alkali, acetoin and 2,3-butanediol are oxidized to diacetyl, the reactant for the pink color produced in Voges-Proskauer test. VP-B is an oxidizing agent which hastens oxidation of acetoin to diacetyl.Used in conjunction with VP-A, Part No.R21200. For use with MRVP Broth.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

Content And Storage Store at Room Temperature Until Used
Description Voges-Proskauer B
Detectable Analytes Acetylmethylcarbinol
Packaging Type 25 mL/Bottle
Quantity 25 mL