数字农科院2.0

Construction of a fungal consortium for effective degradation of rice straw lignin and potential application in bio-pulping

文献类型： 外文期刊

作者： Jinghong Wang;Lingling Li;Hongmin Xu;Yali Zhang;Yuxin Liu;Fangzheng Zhang;Guinan Shen;Lei Yan;Weiwei Wang;Hongzhi Tang;Huajiao Qiu;Ji Dong Gu;Weidong Wang

作者机构：

关键词： Bio-pulping;Fungal interaction;Lignin degradation;Optimization

期刊名称： Bioresource Technology

ISSN： 0960-8524

年卷期： 2022 年 344 卷

页码：

收录情况： SCIE（2022版） ; EI（2022版）

摘要： To improve the lignin degradation efficiency, we established a co-culture consortium (LDFC) consisting of Trametes hirsuta BYL-3, Trametes versicolor BYL-7 and Trametes hirsuta BYL-8. The testing results showed that the constructed consortium showed improved the lignin degradation rate by fungi. The optimal cultivation conditions were mixture at 1:1:1 vol ratio of each fungus, 7% (w/v) of inoculum amount, culture temperature at 26 °C, pH was 6.9 and 10 days of culturing time. Under these conditions, the degradation rate of lignin was 39.7%, which was 9.3% higher than those before optimization (30.4%). Using rice straw for treatment by LDFC to papermaking, the paper tensile strength was 8 N, and the ring pressure index was 2.46 N·m/g, which meets the standards for the production of corrugated paper for packaging. These results indicate that LDFC has potential application value to convert rice straw resources for bio-pulping to make papers.

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