Hydrolysis of lignocellulose to succinic acid: a review of treatment methods and succinic acid applications.

Biotechnology for Biofuels and Bioproducts Pub Date : 2023-01-02 DOI:10.1186/s13068-022-02244-5

Shuzhen Zhou, Miaomiao Zhang, Linying Zhu, Xiaoling Zhao, Junying Chen, Wei Chen, Chun Chang

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Abstract

Succinic acid (SA) is an intermediate product of the tricarboxylic acid cycle (TCA) and is one of the most significant platform chemicals for the production of various derivatives with high added value. Due to the depletion of fossil raw materials and the demand for eco-friendly energy sources, SA biosynthesis from renewable energy sources is gaining attention for its environmental friendliness. This review comprehensively analyzes strategies for the bioconversion of lignocellulose to SA based on the lignocellulose pretreatment processes and cellulose hydrolysis and fermentation principles and highlights the research progress on acid production and SA utilization under different microbial culture conditions. In addition, the fermentation efficiency of different microbial strains for the production of SA and the main challenges were analyzed. The future application directions of SA derivatives were pointed out. It is expected that this research will provide a reference for the optimization of SA production from lignocellulose.

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木质纤维素水解为琥珀酸：处理方法和琥珀酸应用综述。

琥珀酸（SA）是三羧酸循环（TCA）的中间产物，是生产各种高附加值衍生物的最重要的平台化学品之一。由于化石原料的枯竭和对环保能源的需求，利用可再生能源进行 SA 生物合成因其环保性而备受关注。本综述全面分析了基于木质纤维素预处理工艺和纤维素水解发酵原理的木质纤维素到 SA 的生物转化策略，并重点介绍了不同微生物培养条件下产酸和 SA 利用的研究进展。此外，还分析了不同微生物菌株生产 SA 的发酵效率和面临的主要挑战。还指出了 SA 衍生物未来的应用方向。希望本研究能为优化木质纤维素生产 SA 提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Biotechnology for Biofuels and Bioproducts

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