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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 conditions

Composition of SE-treated VR (%)

Enzymolysis resulta

Pressure (MPa)

Time (min)

Severity (Log(R0))

Glucan

Xylan

Arabinan

Glucose (g/100 g)

Xylose (g/100 g)

Arabinose

Glucose recovery (%)

Xylose recovery (%)

Arabinose recovery (%)

(g/100 g)

1.5

1

2.87

27.61 ± 3.59

6.59 ± 0.99

2.77 ± 0.22

8.96 ± 0.90

3.03 ± 0.33

2.15 ± 0.15

29.14 ± 3.26

40.47 ± 5.01

68.31 ± 5.42

1.5

2

3.17

25.86 ± 3.36

6.43 ± 0.77

2.63 ± 0.13

10.02 ± 0.90

3.06 ± 0.21

2.39 ± 0.31

34.88 ± 3.48

41.88 ± 3.27

79.98 ± 11.79

1.5

3

3.34

24.37 ± 2.19

5.19 ± 0.26

2.09 ± 0.13

11.78 ± 1.41

3.69 ± 0.48

2.66 ± 0.19

43.51 ± 5.79

62.57 ± 9.25

112.01 ± 9.09

1.5

4

3.47

23.38 ± 2.57

3.72 ± 0.52

1.76 ± 0.25

13.16 ± 1.58

4.01 ± 0.28

2.74 ± 0.41

50.66 ± 6.76

94.87 ± 7.53

137.02 ± 23.30

2

1

3.32

24.58 ± 1.23

6.44 ± 0.97

2.20 ± 0.26

11.59 ± 1.51

3.36 ± 0.34

2.48 ± 0.20

42.44 ± 6.14

45.92 ± 5.28

99.21 ± 9.09

2

2

3.62

22.05 ± 1.10

4.18 ± 0.50

1.88 ± 0.15

14.66 ± 1.17

2.41 ± 0.29

1.94 ± 0.14

59.84 ± 5.31

50.74 ± 6.94

90.82 ± 7.45

2

3

3.79

21.87 ± 2.19

3.91 ± 0.51

1.56 ± 0.23

16.05 ± 1.93

1.89 ± 0.26

1.98 ± 0.14

66.05 ± 8.82

42.54 ± 6.65

111.71 ± 8.97

2

4

3.92

21.76 ± 2.83

3.81 ± 0.50

1.24 ± 0.06

17.06 ± 2.05

1.99 ± 0.30

2.00 ± 0.22

70.57 ± 9.42

45.97 ± 7.87

141.95 ± 17.74

2.5

1

3.59

22.05 ± 3.31

6.05 ± 0.54

2.08 ± 0.19

15.07 ± 0.90

2.85 ± 0.31

2.21 ± 0.22

61.52 ± 4.08

41.46 ± 5.12

93.51 ± 10.58

2.5

2

3.89

21.76 ± 1.31

3.90 ± 0.47

1.29 ± 0.12

19.92 ± 1.20

1.78 ± 0.11

2.16 ± 0.17

82.4 ± 5.51

40.17 ± 2.82

147.37 ± 13.18

2.5

3

4.07

21.71 ± 2.39

3.52 ± 0.21

1.19 ± 0.16

20.18 ± 1.62

2.30 ± 0.14

2.01 ± 0.28

83.66 ± 7.46

57.51 ± 3.98

148.66 ± 23.53

Untreated

25.53 ± 3.83

17.08 ± 2.56

5.83 ± 0.70

7.05 ± 0.92

2.95 ± 0.44

2.25 ± 0.16

24.86 ± 3.60

14.59 ± 2.58

33.97 ± 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
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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