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Huh. I see that some artificial vanillin is made from lignin, but I don't know whether natural wood decomposition creates vanillin. Do you have a reference for

• s_y_n_t_a_x 7y ago
  lignin is wood (or rather it's a polymer in the cell walls of wood/plants)
  • mirimir 7y ago
    For sure. But the question is whether vanillin is produced during wood decay.
    • s_y_n_t_a_x 7y ago
      It does https://www.sciencedirect.com/science/article/pii/S1340354000712745 https://www.sciencedirect.com/science/article/pii/S134035400... https://www.jstage.jst.go.jp/article/jjfs1953/37/7/37_7_298/_article https://www.jstage.jst.go.jp/article/jjfs1953/37/7/37_7_298/... > vanillin was also detectèd as a product of wood degradation by some other wood destroying fungi.
      • refurb 7y ago
        Good find. The levels of vanillin in waterways (14mg per liter) are ridiculously high for human urine to be the sole source.