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n. A potassium salt, C8H6NO4SK, found in sweat and urine and formed by the conversion of tryptophan to indole by intestinal bacteria.

n. A glucoside, C14H17NO6, occurring in the indigo plant and used as a source for indigo dye.

n. A glucoside obtained from woad and other plants, the source of natural indigo.

n. An indigo-forming substance found in urine and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin); an indoxyl sulphate of potash.

n. A glucoside (C14H17NO6) obtained from woad (indigo plant, Isatis Tinctoria) and other plants (see indigo), as a yellow or light brown sirup. When purified it is obtained as spear-shaped crystals. It has a nauseous bitter taste. By the action of acids, enzymes, etc., it breaks down into sugar and indigo. It is the source of natural indigo. Chemically it is the 3-glucoside of indole, H-indol-3-yl-β-D-glucopyranoside.

n. An indigo-forming substance, found in urine, and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash, C8H6NSO4K, and is derived from the indol formed in the alimentary canal. Called also uroxanthin.

n. The natural glucoside (C26H31NO17) by the decomposition of which indigo blue is produced from the various species of indigo-producing plants.

n. The alkali salt of indoxyl-sulphuric acid, C8H6NSO4H. It occurs in urine. See the following phrase.

"Siendo un importante centro ganadero y minero pero que cobija también actividades como el contrabando y la explotación ilegal, sus altos niveles de pobreza indican que los puneños no son “autónomos” como deberían serlo, por su condición de “Región”."

urinary indican   

indigo    uroxanthin