Kovacs reagent

The term Kovacs reagent is used

• 4- ( N , N -dimethylamino) -benzaldehyde for the detection of the enzyme tryptophanase ( indole test ).
• N , N , N ', N ' -Tetramethyl-1,4-phenylenediamine (TMPD) for the detection of the enzyme cytochrome c oxidase ( oxidase test ).

This is a disambiguation page for differentiating between several terms identified with the same word.