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seraphim [82]
2 years ago
13

What reagent is used to test for the presence of indole?

Chemistry
1 answer:
lubasha [3.4K]2 years ago
7 0
The indole test is a qualitative procedure for determining the ability of bacteria to produce indole by deamination of tryptophan. Using Kovacs tube method, indole combines, in the presence of a tryptophan rich medium, with p-Dimethylaminobenzaldehyde at an acid pH in alcohol to produce a red-violet compound.
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