indole (redirected from Indolyl)

indole /in·dole/ (in´dol) a compound obtained from coal tar and indigo and produced by decomposition of tryptophan in the intestine, where it contributes to the peculiar odor of feces. It is excreted in the urine in the form of indican.

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in·dole (ndl)

n.

1. A white crystalline compound obtained from coal tar or various plants and found in the intestines and feces as a product of the bacterial decomposition of tryptophan. Also called ketole.

2. Any of various derivatives of this compound.

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indole

a compound obtained from coal tar and indigo and produced by decomposition of tryptophan in the intestine, where it contributes to the peculiar odor of feces. It is excreted in the urine in the form of indican. 3-Methyl-indole and L-tryptophan are implicated in causing acute interstitial pneumonia in cattle.

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indole alkaloids

include ß-carbolines, dimethyl tryptamines, hydroxy methyltryptamines, alstonines.

indole test

a biochemical test for the identification of bacteria, based on the production of indole from tryptophan in the medium provided.