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Table 4 Plant cell wall-derived decomposition products and water-soluble extractives present in AFEX-CS hydrolysate (ACH)

From: Designer synthetic media for studying microbial-catalyzed biofuel production

Category Compound Concentration (mg/L)
Nitrogenous compounds Feruloyl amide 1065
  p-Coumaroyl amide 886
  Acetamide 5674
  2-Methylpyrazine 10
  2,5-Dimethylpyrazine 1
  2,6-Dimethylpyrazine 4
  2,4-Dimethyl-1 H-imidazole 24
  4-Methyl-1 H-imidazole 95
Furan 5-Hydroxymethyl furfural 145
Aliphatic acids Malonic acid 33
  Lactic acid 181
  cis-Aconitic acid 111
  Succinic acid 60
  Fumaric acid 30
  trans-Aconitic acid 329
  Levulinic acid 2.5
  Itaconic acid 8.2
  Acetic acid 1958
  Formic acid 517
Aromatic compounds Vanillic acid 15
  Syringic acid 15
  Benzoic acid 59
  p-Coumaric acid 345
  Ferulic acid 137
  Cinnamic acid 14
  Caffeic acid 2
  Vanillin 20
  Syringaldehyde 29.5
  4-Hydroxybenzaldehyde 24
  4-Hydroxyacetophenone 3.4
Carbohydrates Glucose 60 g/L
  Xylose 26 g/L
  Arabinose 5 g/L
  Gluco-oligomers 12 g/L
  Xylo-oligomers 18 g/L
  1. The concentration of nitrogenous compounds and furan were calculated from the content of the analyte in dry pretreated biomass [15] based on 18% solids loading (w/v) assuming 100% solubilization into the liquid phase.