Definition: An indole-dione that is obtained by oxidation of indigo blue. It is a MONOAMINE OXIDASE INHIBITOR and high levels have been found in urine of PARKINSONISM patients.
tribulin endogenous MONOAMINE OXIDASE inhibitory activity extractable into ethyl acetate found in brain and many mammalian tissues and fluids; ISATIN is a major component; produced in excess following alcohol