Wiktionary
andrographolide
n. (context organic compound English) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant ''Andrographis paniculata'', effective against certain cancers.
Wikipedia
Andrographolide
Andrographolide is a labdane diterpenoid that has been isolated from the stem and leaves of Andrographis paniculata. Andrographolide is an extremely bitter substance.
Andrographolide has been studied for its effects on cell signaling, immunomodulation, and stroke. Study has shown that andrographlide may bind to a spectrum of protein targets including NF-κB and actin by covalent modification.