Triptoquinone A may be a useful candidate for the development of a drug as a potent inhibitor of iNOS gene over-expression. Triptoquinone A has anti-inflammatory activity, it prevents ndotoxin-or interleukin-1 beta-promoted induction of nitric oxide synth
Triptoquinone B is a novel interleukin-1 inhibitor, shows extremely potent inhibitory activities against interleukin-lα and β releases for human peripheral mononticlear cells, it shows the significant immunosuppressive activity.