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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
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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