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Table 2 Relative content of sugars and uronic acids of the water-soluble polysaccharides isolated from the hydrothermally pretreated liquor phase under the various processing conditions

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

Temperature (°C)-time (h)

Neutral sugars and uronic acids

 

Rhamnose

Arabinose

Galactose

Glucose

Xylose

Mannose

Uronic acid

110-1.0

1.76

21.34

10.13

27.48

33.69

0.94

4.66

130-1.0

0.95

21.02

10.24

26.63

37.86

0.29

3.01

150-1.0

ND

6.27

6.07

21.04

65.56

ND

1.06

170-0.5

ND

3.42

4.17

14.59

77.28

ND

0.54

170-1.0

ND

6.72

5.49

21.02

66.77

ND

ND

170-2.0

ND

6.50

4.17

20.23

69.10

ND

ND

190-0.5

ND

5.76

3.02

18.64

72.58

ND

ND

210-0.5

ND

ND

2.63

81.16

16.21

ND

ND

230-0.5

ND

ND

ND

82.68

17.32

ND

ND

  1. ND, not detectable. Data represented are the averages of the results obtained from the duplicated experiments.