Licoflavonol, a minor flavone from the roots of Glycyrrhiza uralensis, is an inhibitor of the Salmonella type III secretion system (T3SS)[1][2].
[1]. Qiao X, et al. Simultaneous determination of five minor coumarins and flavonoids in Glycyrrhiza uralensis by solid-phase extraction and high-performance liquid chromatography/electrospray ionization tandem mass spectrometry. Planta Med. 2014 Feb;80(2-3):237-42. [2]. Guo Z, et al. Licoflavonol is an inhibitor of the type three secretion system of Salmonella enterica serovar Typhimurium. Biochem Biophys Res Commun. 2016 Sep 2;477(4):998-1004.