Information (+)-Praeruptorin A Praeruptorin A is a coumarin compound naturally occurring in the roots of Peucedanum praeruptorum Dunn., a commonly used traditional Chinese medicine for the treatment of certain respiratory diseases and hypertension. Praeruptorin A exerts anti-inflammatory effects in vitro through inhibition of NF-κB activation. (+)-Praeruptorin A is one of enantiomers. Targets NF-κB