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Table 3 The enzymolysis result of SE-treated VR and untreated

From: Development of optimal steam explosion pretreatment and highly effective cell factory for bioconversion of grain vinegar residue to butanol

Pretreatment conditionsComposition of SE-treated VR (%)Enzymolysis resulta
Pressure (MPa)Time (min)Severity (Log(R0))GlucanXylanArabinanGlucose (g/100 g)Xylose (g/100 g)ArabinoseGlucose recovery (%)Xylose recovery (%)Arabinose recovery (%)
(g/100 g)
1.512.8727.61 ± 3.596.59 ± 0.992.77 ± 0.228.96 ± 0.903.03 ± 0.332.15 ± 0.1529.14 ± 3.2640.47 ± 5.0168.31 ± 5.42
1.523.1725.86 ± 3.366.43 ± 0.772.63 ± 0.1310.02 ± 0.903.06 ± 0.212.39 ± 0.3134.88 ± 3.4841.88 ± 3.2779.98 ± 11.79
1.533.3424.37 ± 2.195.19 ± 0.262.09 ± 0.1311.78 ± 1.413.69 ± 0.482.66 ± 0.1943.51 ± 5.7962.57 ± 9.25112.01 ± 9.09
1.543.4723.38 ± 2.573.72 ± 0.521.76 ± 0.2513.16 ± 1.584.01 ± 0.282.74 ± 0.4150.66 ± 6.7694.87 ± 7.53137.02 ± 23.30
213.3224.58 ± 1.236.44 ± 0.972.20 ± 0.2611.59 ± 1.513.36 ± 0.342.48 ± 0.2042.44 ± 6.1445.92 ± 5.2899.21 ± 9.09
223.6222.05 ± 1.104.18 ± 0.501.88 ± 0.1514.66 ± 1.172.41 ± 0.291.94 ± 0.1459.84 ± 5.3150.74 ± 6.9490.82 ± 7.45
233.7921.87 ± 2.193.91 ± 0.511.56 ± 0.2316.05 ± 1.931.89 ± 0.261.98 ± 0.1466.05 ± 8.8242.54 ± 6.65111.71 ± 8.97
243.9221.76 ± 2.833.81 ± 0.501.24 ± 0.0617.06 ± 2.051.99 ± 0.302.00 ± 0.2270.57 ± 9.4245.97 ± 7.87141.95 ± 17.74
2.513.5922.05 ± 3.316.05 ± 0.542.08 ± 0.1915.07 ± 0.902.85 ± 0.312.21 ± 0.2261.52 ± 4.0841.46 ± 5.1293.51 ± 10.58
2.523.8921.76 ± 1.313.90 ± 0.471.29 ± 0.1219.92 ± 1.201.78 ± 0.112.16 ± 0.1782.4 ± 5.5140.17 ± 2.82147.37 ± 13.18
2.534.0721.71 ± 2.393.52 ± 0.211.19 ± 0.1620.18 ± 1.622.30 ± 0.142.01 ± 0.2883.66 ± 7.4657.51 ± 3.98148.66 ± 23.53
Untreated25.53 ± 3.8317.08 ± 2.565.83 ± 0.707.05 ± 0.922.95 ± 0.442.25 ± 0.1624.86 ± 3.6014.59 ± 2.5833.97 ± 2.74
  1. a The enzymatic hydrolysis conditions were pH 5.0, 150 rpm, 50 °C, 72 h, a solid load of 5% (w/w) and the enzyme load was adjusted to 15 FPU/g DM of Celluclast 1.5 L and 15 U/g DM of β-glucosidases