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Table 1 The liquor pH and the degraded products of polysaccharides from sweet sorghum stem during the hydrothermal pretreatment process

From: Systematic evaluation of the degraded products evolved from the hydrothermal pretreatment of sweet sorghum stems

Temperature (°C)-time (h) Degraded products (g/L) pH
Formic acid Acetic acid Levulinic acid Lactic acid HMF Furfural
110-1.0 ND ND ND ND ND ND 5.18
130-1.0 ND ND ND ND ND ND 4.50
150-1.0 1.10 0.38 0.52 ND 0.06 ND 3.78
170-0.5 0.85 0.48 0.74 0.28 0.12 0.18 3.65
170-1.0 1.96 0.63 1.39 0.37 0.21 0.85 3.48
170-2.0 2.26 1.01 2.26 0.73 0.32 2.11 3.30
190-0.5 2.56 1.26 2.43 1.65 0.38 3.32 3.22
210-0.5 3.16 1.64 2.95 2.20 1.23 3.50 3.18
230-0.5 3.76 4.03 3.65 2.41 2.27 4.53 3.13
  1. ND, not detectable. Data represented are the averages of the results obtained from the duplicated experiments.