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Table 1 Composition of unextracted, raw sugarcane leaf tissues (% dry matter, DM)

From: Relationship between sugarcane culm and leaf biomass composition and saccharification efficiency

Genotype FIJI_62 MQ239 Q124 Q208 QBN13-10020 SRA1 SRA5
Total fibera 51.5 ± 2.1 55.9 ± 6.3 56.3 ± 5.2 54.2 ± 3.7 48.7 ± 1.2 46.3 ± 2.9 53.4 ± 3.6
Glucan 16.7 ± 0.9 22.3 ± 4.2 23.7 ± 3.5 22.5 ± 1.7 18.3 ± 0.9 17.9 ± 1.7 19.3 ± 2.6
Xylan 12.7 ± 0.7 17.2 ± 2.6 17.1 ± 2.1 15.5 ± 1.1 13.9 ± 0.3 12.9 ± 0.4 16.1 ± 1.8
AIL 19.1 ± 2.2 13.1 ± 1 12.2 ± 0.8 13 ± 1 13.5 ± 0.4 12.7 ± 0.5 15.1 ± 1.2
ASL 2.9 ± 0.3 3.3 ± 0.5 3.4 ± 0.4 3.2 ± 0.1 2.8 ± 0.1 2.8 ± 0.6 2.9 ± 0.2
Total sugara 6.3 ± 1.7 4 ± 0.8 3.6 ± 0.5 3.9 ± 0.5 3.4 ± 0.6 4.2 ± 0.1 4 ± 1
Sucrose 4.3 ± 1.5 2.4 ± 0.7 1.6 ± 0.3 2.4 ± 0.6 2 ± 0.6 2.8 ± 0.1 2 ± 0.2
Glucose 0.97 ± 0.18 0.78 ± 0.13 1.0 ± 0.07 0.80 ± 0.08 0.66 ± 0.03 0.71 ± 0.15 0.83 ± 0.30
Fructose 1.0 ± 0.07 0.77 ± 0.07 0.97 ± 0.17 0.73 ± 0.02 0.71 ± 0.03 0.73 ± 0.06 1.2 ± 0.83
CA 1.6 ± 0.1 1.4 ± 0 1.4 ± 0 1.2 ± 0.1 1.4 ± 0.1 1.5 ± 0.1 1.6 ± 0.1
FA 0.95 ± 0.07 1.17 ± 0.05 1.06 ± 0.05 0.89 ± 0.1 0.99 ± 0.03 0.94 ± 0.02 0.76 ± 0.11
Ash 3.7 ± 0.4 3.1 ± 0.2 6.1 ± 0.9 3.8 ± 0.3 5.6 ± 0.6 3.8 ± 0.2 2.9 ± 0.2
MLG 0.53 ± 0.03 0.6 ± 0.08 0.68 ± 0.07 0.69 ± 0.07 0.32 ± 0.04 0.66 ± 0.09 0.47 ± 0.02
Cellulose CrIb 40 42 44
  1. Means ± standard deviation; percentage of fiber components (glucan, xylan, AIL and ASL) based on their original amount in unextracted biomass calculated from alcohol-insoluble residue (AIR) amounts (i.e. (% component in AIR/100) × (100 − % extractives)
  2. AIL acid-insoluble lignin, ASL acid-soluble lignin, CA coumaric acid, FA ferulic acid, MLG mixed linkage β-d-glucan
  3. aTotal fiber = glucan + xylan + AIL + ASL; total sugar = sucrose + glucose + fructose
  4. bCrystallinity index (CrI) of cellulose determined by X-ray diffraction performed on subset of 10 samples