Table 1 Chemical compositions of raw kenaf stem compared to other studies.

From: Preparation of kenaf stem hemicellulosic hydrolysate and its fermentability in microbial production of xylitol by Escherichia coli BL21

Particle size (µm)

Cellulose (Glucan)

Hemicellulose (Xylan)

Total lignin

Ash

Total extractives

Method

Reference

250–420

40.8 ± 1.6

34.2 ± 1.2

16.2 ± 1.9

0.29 ± 0.1

11.1 ± 0.5

NREL

This study

250–420

54.9 ± 0.2

28.7 ± 1.0

16.0 ± 0.2

4.4 ± 0.1

12.1 ± 0.1

TAPPI

33

0.2–0.5

43.0 ± 4.2

16.0 ± 1.2

17.0 ± 2.1

0.3 ± 0.1

21.0 ± 1.0

NREL LAP

70

N/A

46.1

29.7

22.1

1.6

3.9

TAPPI

71

250–420

37.3

51.8

14.4

4.7

10.0

NREL

21

  1. All data are based on the average of three parallel replicates ± standard deviation.
  2. NREL, TAPPI and LAP denote “National Renewable Energy Laboratory”, “Technical Association of the Pulp Industry” and “Laboratory Analytical Procedures”.
  3. N/A: Not Available.
Back to article page