| Urinary organisms such as proteus, providencia, and klebsiella with indoxyl sulphatase activity metabolise indican to produce indigo, particularly in alkaline urine. |
| It has been suggested that up to a half of elderly hospitalized patients excrete an abnormally high concentration of indican compared with young individuals. |
| We have studied the effect of indican on six commercial procedures for the measurement of total bilirubin in serum. |
| The blue dye, indigo, is derived from a glucoside of an entirely different type, known as indican. |
| Simple constipation and diseases of the large intestine alone do not increase the amount of indican. |
| The urine indican test indicates the level of protein malabsorbtion and, consequently, the degree of toxicity and putrefaction of the intestine. |
