Table 2 Chemical composition of the raw materials before steam pretreatment (% dry weight) (Carbohydrates and lignin analysis were completed prior to extraction)

BKLPP*

1.6 (0.2)**

2.7 (0.2)

42.4 (0.3)

5.9 (0.6)

11.4 (0.1)

28.2 (0.8)

0.4 (0.0)

3.8 (0.2)

0.1 (0.0)

97.4 (1.1)

IFS

1.9 (0.0)

5.6 (0.1)

36.1 (0.8)

6.6 (0.1)

9.9 (0.2)

33.3 (0.4)

0.6 (0.0)

6.3 (1.1)

0.1 (0.0)

99.1 (1.5)

LR

2.4 (0.3)

3.0 (0.1)

33.6 (1.0)

5.5 (0.2)

7.8 (0.2)

38.6 (0.7)

1.1 (0.1)

9.4 (0.0)

0.4 (0.2)

102.3 (1.4)

HOG I

1.8 (0.1)

1.8 (0.1)

29.6 (0.3)

4.5 (0.0)

6.0 (0.2)

42.8 (0.1)

1.2 (.1)

6.2 (0.2)

6.9 (0.0)

100.7 (0.5)

HOG II

1.2 (0.0)

1.9 (0.0)

37.5 (0.7)

4.6 (0.1)

7.9 (0.2)

39.7 (0.2)

1.0 (0.1)

5.7 (0.3)

2.9 (0.1)

102.1 (0.8)

BARK

6.4 (0.0)

3.5 (0.0)

19.2 (0.0)

3.1 (0.0)

1.5 (0.0)

52.7 (0.5)

1.2 (0.0)

19.0 (1.5)

2.0 (0.2)

109.2 (1.6)