indole

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Related to Indol: tryptophan

indole

 [in´dōl]
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.

in·dole

(in'dōl), Avoid the misspelling indol.
1. basis of many biologically active substances (for example, serotonin, tryptophan); formed in degradation of tryptophan. Synonym(s): ketole
2. Any of many alkaloids containing the indole (1) structure.

indole

(ĭn′dōl′)
n.
1. A white crystalline compound, C8H7N, obtained from coal tar or various plants and produced by the bacterial decomposition of tryptophan in the intestine. It is used in perfumes and as a reagent.
2. Any of various derivatives of this compound.

indole

Chemistry
A heterocyclic compound that is the parent molecule for serotonin tryptophan and other alkaloids; indoles are present in broccoli, cabbage and other cruciferous vegetables, and may have anticarcinogenic activity.

in·dole

(in'dōl)
1. 2,3-benzopyrrole; basis of many biologically active substances (e.g., serotonin, tryptophan); formed in degradation of tryptophan.
Synonym(s): ketole.
2. Any of many alkaloids containing the indole (1) structure.

indole

2,3-benzopyrrole, an unpleasant-smelling product of protein breakdown that contributes to the odour of the faeces. In high dilution, indole has a pleasant smell and has been used in the perfumery industry. See also SKATOLE.
References in periodicals archive ?
Previous studies have reported that the genus Rhizobium synthetizes indol acetic acid from several tryptophan isomers (DL and L) (Perrine et al., 2004) and reaches production levels up to 90.6 [micro]g x [mL.sup.-1] with tryptophan at 1% (Datta and Basu, 1997) and 267.5 [micro]g x [mL.sup.-1] with tryptophane at 4 % (De and Basu, 1996).
Por otro lado, la cepa M1B presento las siguientes caracteristicas fenotipicas a 28 [grados]C: bacilo Gram negativo (24 horas en agar TSA), movil, citrato negativo, indol negativo, lisina descarboxilasa, arginina y ornitina dehidrolasa, sin produccion de [H.sub.2]S, fermentacion de glucosa con produccion de acidez y sin gas, rojo de metilo positivo debil y Voges-Proskauer negativo.
Para la induccion de las raices se ensayo la adicion de 0-0, 1 mg/l de acido indol butirico (AIB) durante los primeros 7 dias, transfiriendo los brotes posteriormente al mismo medio sin auxina.
coli Colonias rosadas, -- transparentes, de tamano medio con o sin halos alrededor Grupo KES * Colonias de tamano medio BBL Crystal E/NF, Indol y pigmento azul oscuro Grupo PMP ** Colonias beige o crema BBL Crystal E/NF, Indol redondeadas por halos marron Enterococcus Colonias verde azul de -- sp.
Effect on wheat root development of inoculation eith A.brasilens mutant with altered indol 3 acetic acid production.
The enzyme was incubated with derivatives of hydroxycinemic acid such as ferulic acid (0.02-0.08 [micro]M), caffeic acid (1.0-4.5 [micro]M), a hydroxybenzoic acid derivative like protocatechuic acid (1.0-4.5 [micro]M) and growth hormones like indol 3-acetic acid (1.04.5 [micro]M) with fixed enzyme concentrations.
The organic compound indol is one of two compounds found in stool that is responsible for odor in human feces.