Used in a rapid spot test for determining the ability of bacteria to produce indole by the deamination of tryptophan
The production of indole has been widely used as an aid in differentiating certain genera and species within the same genus. examine the reagent for signs of deterioration
p-Dimethylaminocinnamaldehyde (DMACA) has been shown to be sensitive to the production of indole
The color change with DMACA is both rapid and long lasting, making results easier to interpret than with more traditional reagents
Each dropper is good for one day's use after ampule has been broken
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