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Official Journal of the Japan Wood Research Society

Table 10 Saccharides in spruce and oak wood during thermal treatment (%)

From: Impact of thermal modification on color and chemical changes of spruce and oak wood

Temperature (°C)

Glucose

Xylose

Galactose

Arabinose

Mannose

Spruce

 20

45.68 ± 0.28

5.14 ± 0.65

2.27 ± 0.38

0.95 ± 0.06

13.02 ± 0.12

 160

46.59 ± 0.13

4.97 ± 0.12

2.06 ± 0.19

0.91 ± 0.08

10.78 ± 0.04

 180

47.53 ± 0.55

4.55 ± 0.02

1.83 ± 0.28

0.85 ± 0.05

9.05 ± 0.12

 210

48.10 ± 0.36

3.97 ± 0.01

1.75 ± 0.29

0.78 ± 0.08

8.33 ± 0.11

Oak

 20

46.25 ± 0.18

21.59 ± 0.52

1.12 ± 0.18

1.88 ± 0.06

3.02 ± 0.24

 160

46.98 ± 0.22

20.03 ± 0.35

0.41 ± 0.12

1.16 ± 0.02

2.56 ± 0.26

 180

47.56 ± 0.46

18.87 ± 0.09

0.24 ± 0.09

0.19 ± 0.04

0.52 ± 0.14

 210

48.12 ± 0.39

12.22 ± 0.12

0.08 ± 0.04

0.05 ± 0.01

0.03 ± 0.01

  1. Data represent mean ± SD