Skip to main content

Table 2 The content of monomeric carbohydrate and lignin from extractive-free biomass of 2-month-old and 3-year-old bamboo

From: Evaluation of biomass quality in short-rotation bamboo (Phyllostachys pubescens) for bioenergy products

Extractive-free samples Height from ground (m) position Carbohydrate (g/kg) Mono-lignin (g/kg) S/G ratio
Rham Ara Xyl Man Gal Glu Total H HA V VA S SA Total
2-month old 01 5.15 ± 3.56 16.95 ± 2.06 296.83 ± 8.93 5.42 ± 1.43 9.30 ± 2.81 502.15 ± 6.83b 835.80 ± 5.98c 12.73 ± 0.73b 0.25 ± 0.03b 16.46 ± 0.20c 0.74 ± 0.03b 16.70 ± 0.50c 3.66 ± 0.19b 50.55 ± 0.83a 1.18 ± 0.04
06 5.02 ± 2.87 19.27 ± 4.69 297.62 ± 11.98 4.85 ± 3.08 5.80 ± 2.79 489.28 ± 7.95b 821.85 ± 4.20b 11.98 ± 0.02b 0.13 ± 0.02a 14.36 ± 0.07b 0.34 ± 0.02a 14.91 ± 0.82b 2.11 ± 0.56a 43.83 ± 0.45b 1.16 ± 0.07
11 3.25 ± 0.31 18.01 ± 1.38 309.30 ± 11.19 7.21 ± 2.78 7.48 ± 1.61 461.27 ± 4.91a 806.53 ± 2.68a 8.75 ± 0.16a 0.28 ± 0.02b 10.88 ± 0.12a 0.40 ± 0.03a 9.28 ± 0.34a 2.53 ± 0.19a 32.12 ± 0.05c 1.05 ± 0.03
3-year old 01 2.51 ± 0.28 14.64 ± 3.06 289.49 ± 18.01 7.55 ± 3.82 2.58 ± 1.68 443.80 ± 0.76 760.61 ± 24.94 12.18 ± 1.02b 0.40 ± 0.05b 31.85 ± 1.01 0.55 ± 0.10a 40.80 ± 0.18b 3.08 ± 0.22 88.85 ± 1.78b 1.36 ± 0.04a, b
06 2.26 ± 0.54 15.82 ± 0.35 308.80 ± 15.54 3.40 ± 2.13 4.37 ± 1.72 431.58 ± 13.89 766.21 ± 26.27 12.17 ± 0.32b 0.21 ± 0.04a 31.79 ± 1.05 0.89 ± 0.04b 44.17 ± 1.41c 3.21 ± 0.76 92.44 ± 0.60c 1.45 ± 0.06b
11 1.75 ± 0.58 15.96 ± 0.64 302.41 ± 16.55 2.14 ± 0.91 4.10 ± 2.11 407.40 ± 12.67 733.74 ± 27.65 9.50 ± 0.17a 0.26 ± 0.01a 31.59 ± 0.63 0.95 ± 0.05b 37.58 ± 1.09a 3.13 ± 0.14 83.01 ± 0.40a 1.25 ± 0.05a
  1. If the ANOVA showed a significant difference among sample means, Scheffe’s multiple comparison test was used to determine differences. Values indicated by the same lower case letter are not significantly different (α = 0.01). Scheffe: a < b < c
  2. Gal galactose, Glu glucose, Man mannose, Rham rhamnose, Xyl xylose, H 4-hydroxybenzaldehyde, HA 4-hydroxybenzoic acid, S syringaldehyde, SA syringic acid, V vanillin, VA vanillic acid