Home > Resources > Spot Indole Reagent

Spot Indole Reagent

Already a member? Click here to sign in

Step 1: Not registered? Please complete this form to view content

Step 2: Create Your Medical Product Guide Account

Step 3: Create Your Professional Information

* indicates required field

By clicking the button above you agree to our Terms of Use. We take your privacy seriously. For more information please read our Privacy Policy.

Product Literature/Brochure from Pro-Lab Diagnostics

Spot Indole Reagent was used by Vracko and Sherris in 1963 for the presumptive differentiation of Proteus species and Escherichia coli 1.The work of Lowrence, Reich and Traub in 1969, indicated that p-diemethylaminocinnamaldeyde is the most sensitive indole reagent, capable of detecting 3 mcg of indole per millilitre of medium2The amino acid tryptophan can be oxidized by certain bacteria using intracellular enzymes collectively called ‘tryptophanase, resulting in the production of indole.