Notes: Indole-3-acetonitrile is an indole alkaloid that has been found in cabbage and has antibacterial activity.{67589,67590} It reduces biofilm formation by E. coli and P. aeruginosa when used at a concentration of 100 µg/ml.{67589} The levels of indole-3-acetonitrile are increased in P. brassicae-infected cabbage roots.{67590}