Microbiology - Identification of Bacteria - Discussion

Discussion :: Identification of Bacteria - Section 1 (Q.No.9)


Production of acetoin can be detected by which of the following tests?

[A]. Citrate test
[B]. Voges-Proskauer test
[C]. Methyl red test
[D]. Indole test

Answer: Option B


No answer description available for this question.

P.K said: (Dec 23, 2016)  
Why? Explain.

Tripak said: (May 20, 2019)  
Explain it.

Srikanth said: (Mar 2, 2020)  
The test is performed by adding alpha-naphthol and potassium hydroxide to the Voges-Proskauer broth which has been inoculated with bacteria. A cherry red colour indicates the positive results I. E, the presence of acetoin, while a yellow-brown colour indicates the negative results.

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