Pinosylvin
Encyclopedia
Pinosylvin is a pre-infectious stilbenoid toxin (i.e. synthesized prior to infection), contrary to phytoalexin
s which are synthesized during infection. It is present in the heartwood of Pinaceae
. It is a fungitoxin protecting the wood from fungal infection.
Phytoalexin
Phytoalexins are antimicrobial substances synthesized de novo by plants that accumulate rapidly at areas of incompatible pathogen infection. They are broad spectrum inhibitors and are chemically diverse with different types characteristic of particular plant species...
s which are synthesized during infection. It is present in the heartwood of Pinaceae
Pinaceae
Pinaceae are trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales. Pinaceae are supported as monophyletic by its protein-type sieve...
. It is a fungitoxin protecting the wood from fungal infection.