isatin

Noun

isatin (countable and uncountable, plural isatins)

1. The indole derivative 1H-indole-2,3-dione, used in the synthesis of dyes.
   • This finding suggests that the gut flora (absent, of course, in germ free animals) are responsible for the generation of most urinary isatin, but that the tissue material derives from a different source.1993, Vivette Glover, Merton Sandler, “Tribulin and Isatin: An Update”, in Hajime Yasuhara, S. H. Parvez, editors, Monoamine Oxidase: Basic And Clinical Aspects, page 68
   • One problem in large scale denim dyeing processes using biologically produced indigo is the undesirable red cast caused by indirubin, which is a structural isomer of indigo formed from indoxyl and isatin, a byproduct of the spontaneous oxidation reaction that converts indoxyl to indigo.2007, Shang-Tian Yang, Xiaoguang Liu, Yali Zhang, “Chapter 4: Metabolic Engineering - Applications, Methods, and Challenges”, in Shang-Tian Yang, editor, Bioprocessing for Value-Added Products from...