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Table 2 Selected G- and S-lignin-derived compounds released upon Py–GC/MS of the different samples, and S/G ratios

From: Lavender- and lavandin-distilled straws: an untapped feedstock with great potential for the production of high-added value compounds and fungal enzymes

  Lavandin Lavender
DS DF LS LF
Py–GC/MS analysisa
 Guaiacyl-derived compounds
  Guaiacol 31.4 28.0 39.3 13.1
  4-Methylguaiacol 11.6 11.2 9.52 4.33
  4-Ethylguaiacol 5.48 6.10 6.11 2.39
  4-Vinylguaiacol 53.5 42.0 56.3 19.3
  4-Propenylguaiacol 23.5 16.1 22.0 7.52
 Syringyl-derived compounds
  Syringol 32.3 6.17 42.1 5.60
  4-Methylsyringol 11.1 1.68 9.31 1.39
  4-Ethylsyringol 6.23 1.17 7.59 0.88
  4-Vinylsyringol 40.1 4.39 40.3 4.61
  4-Propenylsyringol 20.7 2.15 20.6 2.50
  S/G ratio 0.9 0.2 0.9 0.3
  1. DS lavandin stem straw, DF lavandin flower straw, LS lavender stem straw, LF lavender flower straw
  2. aData are given as peak areas (× 10−6) and S/G ratios were calculated based on the peak areas