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Table 3 Effect of hydrogen peroxide–acetic acid pretreatment on 2-month-old and 3-year-old bamboo

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

  Pretreatment time (h) Weight remain (%) Carbohydrate (%) Lignin (%)
Rham Ara Xyl Man Gal Glu Total AIL ASL Total
2-month old 0.0 100.0 0.51 ± 0.12 1.67 ± 0.20b 29.19 ± 0.88b 0.53 ± 0.14b 0.88 ± 0.25b 49.39 ± 0.67b 82.16 ± 0.92d 15.91 ± 0.88d 2.47 ± 0.01 18.39 ± 0.87d
0.5 87.3 0.18 ± 0.04 1.68 ± 0.02b 25.05 ± 1.39b 0.74 ± 0.11b 0.17 ± 0.06a 45.76 ± 0.90a 73.55 ± 1.82b, c 9.48 ± 0.40c 2.26 ± 0.24 11.74 ± 0.22c
1.0 79.9 0.48 ± 0.04 1.59 ± 0.10b 25.97 ± 2.04a, b 0.16 ± 0.04a 0.24 ± 0.09a 45.94 ± 1.11a 74.38 ± 2.93c 2.80 ± 0.35b 2.55 ± 0.23 5.36 ± 0.54b
1.5 75.3 0.47 ± 0.07 1.36 ± 0.20a, b 19.95 ± 1.24a 0.23 ± 0.05a 0.23 ± 0.05a 46.76 ± 0.85a 69.67 ± 1.11a, b 1.51 ± 0.26a 2.18 ± 0.04 3.69 ± 0.30a
2.0 74.1 0.23 ± 0.05 1.20 ± 0.09a 19.73 ± 1.82a 0.16 ± 0.04a 0.32 ± 0.03a 46.19 ± 1.21a 67.84 ± 0.72a 1.12 ± 0.01a 2.64 ± 0.39 3.76 ± 0.39a
3-year old 0.0 100.0 0.24 ± 0.03 1.38 ± 0.29b 27.35 ± 1.70c 0.71 ± 0.36b 0.24 ± 0.16 41.92 ± 0.76b 71.85 ± 2.36c 23.99 ± 0.19c 1.90 ± 0.05a 25.89 ± 0.14d
0.5 80.6 0.31 ± 0.11 1.13 ± 0.07a, b 21.28 ± 1.75b 0.32 ± 0.02a, b 0.24 ± 0.04 36.51 ± 1.37a, b 59.80 ± 2.85b 9.91 ± 1.13b 2.42 ± 0.14b 12.33 ± 1.01c
1.0 67.6 0.21 ± 0.06 0.87 ± 0.06a 17.50 ± 1.30a 0.14 ± 0.03a 0.14 ± 0.05 35.63 ± 2.49a, b 54.49 ± 2.46a, b 1.56 ± 0.11a 2.23 ± 0.33a, b 3.78 ± 0.27b
1.5 60.7 0.30 ± 0.11 0.79 ± 0.08a 16.76 ± 0.32a 0.06 ± 0.01a 0.07 ± 0.01 38.19 ± 3.73a, b 56.16 ± 3.54a, b 0.54 ± 0.08a 1.94 ± 0.16a, b 2.49 ± 0.19a
2.0 60.0 0.24 ± 0.01 0.78 ± 0.06a 15.96 ± 0.93a 0.27 ± 0.02a 0.18 ± 0.02 32.94 ± 2.04a 50.36 ± 2.34a 0.30 ± 0.07a 1.84 ± 0.06a 2.14 ± 0.04a
  1. If the ANOVA showed a significant difference among sample means, Scheffe’s multiple comparison test was used to determine treatment difference. Values indicated by the same lower case letter are not significantly different (α = 0.01). Scheffe: a < b < c < d
  2. AIL acid-insoluble lignin, ASL acid-soluble lignin, Gal galactose, Glu glucose, Man mannose, Rham rhamnose, Xyl xylose