What is "pinosylvin"

n. (context organic compound English) A pre-infectious stilbenoid toxin, ''trans-3,5-dihydroxystilbene''

Pinosylvin is a pre-infectious stilbenoid toxin (i.e. synthesized prior to infection), contrary to phytoalexins which are synthesized during infection. It is present in the heartwood of Pinaceae. It is a fungitoxin protecting the wood from fungal infection. It is also found in Gnetum cleistostachyum.

Injected in rats, pinosylvin shows a rapid glucuronidation and a poor bioavailability.