The combination of plant-expressed cellobiohydrolase and low dosages of cellulases for the hydrolysis of sugar cane bagasse

Table 2 Changes in structural and compositional features of sugar cane bagasse after pretreatment analysed by spectroscopic methods

Biomass	Particle size	Defibrillation	Glucan content	Lignin content	Xylan content	Crystallinity
H₂SO₄ and steam explosion^*	↓	-	↑	↑	↓↓	↓
NaOH and steam explosion^*	↓	↑↑	↑↑	↓↓	-	↑
Glycerol/HCl and steam explosion^*	↓	↑	↑	-	↓↓	↓
Acidified EC/EG	↓	↑↑	↑↑	↓↓	↓↓	↑
BMIMCl	↓	-	-	-	-	↓↓
Ball-milling	↓↓	-	-	-	-	↓↓

↑, Increase; ↑↑, strong increase; -, no effect; ↓, decrease; ↓↓, strong decrease.
* Pilot scale pretreatments, reprinted from [23].

ISSN: 2731-3654