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首页> 外文期刊>International journal of food science & technology >Screening of different agroindustrial by-products for industrial enzymes production by fermentation processes
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Screening of different agroindustrial by-products for industrial enzymes production by fermentation processes

机译：通过发酵过程筛选不同农业工业副产品的工业酶生产

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摘要

Agroindustrial by-products are an abundant source of biocompounds that contain valuable nutrients, which are not exploited. In this work, lignocellulosic wastes (LW) were used in submerged fermentation (SmF) and solid-state fermentation (SSF) by Aspergillus niger NRRL3 to obtain valuable enzymes required in industries. SmF using soya bean hulls (SH), wheat bran (WB) and a by-product of wheat flour (F) produced the highest activities of endo-1,4-beta-xylanase (Xyl) and endo-1,4-beta-D-glucanase (EG) being at least 3 times lower than those obtained by SSF. The highest ratio of Xyl to EG was obtained in SmF with F. Xyl obtained by SmF with WB was the most thermally resistant. The enzymatic extract obtained in SmF using SH presented a high power of saccharification. The production of enzymes for further application such as bioethanol generation process revalue these LW and can help offset growing environmental problems.
机译：农业工业副产品是一种丰富的生物化源来源，含有有价值的营养素，不会被利用。在这项工作中，通过Aspergillus Niger NRR13用于浸没式发酵（SMF）和固态发酵（SSF）中的木质纤维素废物（LW），以获得工业所需的有价值的酶。使用大豆壳（SH），小麦麸（WB）和小麦面粉（F）的副产物产生了最高活性的Endo-1,4-β-木聚糖酶（Xyl）和endo-1,4-β -D-葡聚糖酶（例如）比SSF获得的至少3倍。 Xyl的最高比例是在SMF中获得的，用WB的SMF获得的F. Xyl是最热抗性的。使用SH在SMF中获得的酶提取物呈现出高功率的糖化。用于进一步施用的酶的生产，例如生物乙醇生成过程释放这些LW，并有助于抵消生长的环境问题。

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