Biodegradation of ramie stalk by Flammulina velutipes: mushroom production and substrate utilization

文献类型： 外文期刊

第一作者： Xie, Chunliang

作者： Xie, Chunliang;Gong, Wenbing;Yan, Li;Zhu, Zuohua;Hu, Zhenxiu;Peng, Yuande

作者机构：

关键词： Flammulina velutipes;Lignocellulolytic enzymes;Lignocellulolytic degradation;Ramie stalk

期刊名称：AMB EXPRESS （ 影响因子：3.298； 五年影响因子：3.427 ）

ISSN： 2191-0855

年卷期： 2017 年 7 卷

页码：

收录情况： SCI

摘要： In the textile industry, ramie stalk is byproducts with a low economic value. The potential use of this leftover as a substrate ingredient for Flammulina velutipes (F. velutipe) cultivation was evaluated. The degradation and utilization of ramie stalk by F. velutipes was evaluated through mushroom production, lignocelluloses degradation and lignocellulolytic enzymes activity. The best substrate mixture for F. velutipes cultivation comprised 50% ramie stalk, 20% cottonseed hulls, 25% wheat bran, 4% cornstarch and 2% CaCO3. The highest biological efficiency of fruiting bodies was reached 119.7%. F. velutipes appears to degrade 12.7-32.0% lignin, 14.4-30.2% cellulose and 9.3-25.7% hemicellulose during cultivation on the different substrates. The results of enzymes activities showed that laccase and peroxidase were higher before fruiting; while cellulase and hemicellulase showed higher activities after fruiting. The biological efficiency of fruiting bodies was positively correlated with the activities of cellulase, hemicellulase and ligninolytic enzyme. The results of this study demonstrate that ramie stalk can be used as an effective supplement for increasing mushroom yield in F. velutipes.

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