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Table 2 Initial polysaccharide hydrolysis rates and final conversion efficiencies during the enzymatic digestion of sugarcane bagasse pretreated via an alkaline-sulfite chemithermomechanical process at increasing chemical loads

From: Fate of p-hydroxycinnamates and structural characteristics of residual hemicelluloses and lignin during alkaline-sulfite chemithermomechanical pretreatment of sugarcane bagasse

Sample

Initial hydrolysis rate (% h−1)

Polysaccharide conversion after 72 h of enzymatic digestion (%)

Glucan

Xylan

Glucan

Xylan

2.5% Na2SO3 + 1.25% NaOH

2.6 ± 0.2

1.2 ± 0.2

31 ± 1

22 ± 1

5% Na2SO3 + 2.5% NaOH

8.0 ± 0.8

3.3 ± 0.7

58 ± 4

43 ± 3

10% Na2SO3 + 5% NaOH

9.9 ± 0.7

6.0 ± 0.6

96 ± 1

79 ± 1

Chlorite-delignified reference

11.7 ± 0.6

5.8 ± 0.3

100 ± 2

100 ± 2

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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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