| They contain a substance called isatin which has a laxative effect because it stimulates contractions of the large bowel. |
| Some of the major known ingredients of the root not listed above include indoxyl-beta-glucoside, beta-sitosterol, and isatin. |
| This finding suggests that the gut flora are responsible for the generation of most urinary isatin, but that the tissue material derives from a different source. |
| Adsorption and inhibitive properties of some new Mannich bases of Isatin derivatives on corrosion of mild steel in acidic media. |
