Matairesinol and pinoresinol were isolated from sugisapwood 40 days after felling. These lignans were not detected in the heartwood. Accordingly, they are probably the result of post-mortem biosynthesis in sapwood parenchyma cells.
No takes yet. Share an insight, caveat, or question.
Imai et al. (2005) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: