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Table 2 Glucurono-arabinoxylans (GAX) crude yields, mass balance for GAX components, and recovery percentages from alkaline-sulfite-pretreated sugarcane bagasse

From: Xylan extraction from pretreated sugarcane bagasse using alkaline and enzymatic approaches

Recovered material or component (g/100 g of original bagasse) Untreated bagasse Pretreated bagasse Alkaline-extracted GAX (Hoije method) Alkaline-extracted GAX (Lopez method) Enzymatically extracted GAX
Crude mass 100 88.6 18.1 21.4 7.0
Xylan 22.4 20.6 11.2 13.7 5.1
Arabinosyl groups 2.6 2.5 1.4 1.5 0.8
Uronic acid groups 2.5 2.1 1.2 1.2 0.9
Acetyl groups 3.3 0.2 0.0 0.0 0.0
Total GAX 30.8 25.4 13.8 16.4 6.8
GAX recovery (%) 100.0 82.3 44.6 53.3 22.1