Journal
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
Volume 130, Issue 1-3, Pages 476-485Publisher
HUMANA PRESS INC
DOI: 10.1385/ABAB:130:1:476
Keywords
lignocellulosics; supercritical water; enzymatic hydrolysis; inhibitor; ethanol
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The water-soluble portion and precipitates obtained by supercritical (SC) water treatment of microcrystalline cellulose (Avicel) were enzymatically hydrolyzed. Glucose could be produced easily from both substrates, compared with the Avicel. Therefore, SC water treatment was found to be effective for enhancing the productivity of glucose from cellulose by the enzymatic hydrolysis. It is also found that alkaline treatment or wood charcoal treatment reduced inhibitory effects by various decomposed compounds of cellulose on the enzymatic hydrolysis to achieve higher glucose yields. Furthermore, glucose obtained by SC water treatment followed by the enzymatic hydrolysis of cellulose could be converted to ethanol by fermentation without any inhibition.
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