4.8 Article

The improvement of enzymatic hydrolysis efficiency of rape straw and Miscanthus giganteus polysaccharides

期刊

BIORESOURCE TECHNOLOGY
卷 151, 期 -, 页码 323-331

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ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.10.090

关键词

Lignocellulose; Rape straw; Miscanthus giganteus; Enzymatic hydrolysis; Cellulase

资金

  1. National Science Center in Poland

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The research was carried out with the aim to determine the impact of various combinations of cellulase and hemicellulase preparations on the effectiveness of enzymatic hydrolysis of polysaccharides of rape straw and Miscanthus giganteus after alkaline pretreatment. Their effectiveness was evaluated based on the quantity of saccharides released during enzymatic reaction and yield calculated in respect of the sum of polysaccharides present in native substrates. The complex of preparations produced from Trichoderma longibrachiatum fungi turned out to be the most effective. The study demonstrated a significant effect of xylanases from T. longibrachiatum, the presence of which evoked a 27-45% increase in the effectiveness of polysaccharides hydrolysis compared to the enzymatic complexes without their addition. In addition, results achieved in this study confirmed the necessity of applying the pretreatment in lignocellulose substrates conversion into bioethanol. (C) 2013 Elsevier Ltd. All rights reserved.

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