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Table 3 Composition of the solid fraction of pretreated sugar cane leaves in percentage of dry matter before enzymatic hydrolysis

From: An approach to the utilisation of CO2 as impregnating agent in steam pretreatment of sugar cane bagasse and leaves for ethanol production

Steam pretreatment conditions Glucan Xylan Lignin pH
190°C/5 min 39.2 19.7 35.0 4.5
210°C/5 min 40.7 7.4 33.8 4.0
220°C/5 min 53.7 2.2 37.9 3.5
190°C/5 min/SO2 52.3 8.7 33.6 2.0
190°C/5 min/CO2 39.2 19.2 30.0 4.5
200°C/5 min/CO2 43.6 16.7 29.2 4.5
210°C/5 min/CO2 50.9 9.7 35.0 4.0
220°C/5 min/CO2 52.7 4.2 41.5 3.5
220°C/5 min/CO2 (cut leaves) 53.8 2.9 37.8 3.5