What is TDA test?

What is TDA test?

TDA Reagent for Tryptophan Deaminase Reaction. This test determines the ability or otherwise of bacteria to deaminate the amino acid L-Tryptophan to produce Indolepyruvic acid. L-Tryptophan is deaminated (removal of the amino residue from the amaino acid) to an alpha keto acid (indolepyruvic acid) and ammonia.

What is TDA reagent?

TDA Reagent is used for phenylalanine deamination reaction in differentiating Proteus from other members of Enterobacteriaceae. This test detects the ability of an organism to oxidatively deaminate phenylalanine with production of phenylpyruvic acid.

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