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Trends and hassles in the microbial production of lactic acid from lignocellulosic biomass

文献类型： 外文期刊

作者： Nwamba, Marknoah Chinenye 1 ; Sun, Fubao 1 ; Mukasekuru, Marie Rose 1 ; Song, Guojie 1 ; Harindintwali, Jean Dam 1 ;

作者机构： 1.Jiangnan Univ, Sch Biotechnol, Minist Educ, Key Lab Carbohydrate Chem & Biotechnol, Wuxi 214122, Jiangsu, Peoples R China

2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Hainan Key Lab Trop Microbe Resources, Haikou 571101, Hainan, Peoples R China

关键词： Lignocellulose; Lactic acid; Pretreatment; Enzymatic hydrolysis; Lactic acid bacteria; Consolidated bioprocessing

期刊名称：ENVIRONMENTAL TECHNOLOGY & INNOVATION （ 影响因子：5.263； 五年影响因子：5.116 ）

ISSN： 2352-1864

年卷期： 2021 年 21 卷

页码：

收录情况： SCI

摘要： Lactic acid is an important biomolecule extensively used in various industries for the production of foods, drugs, cosmetics, bioplastic polylactic acid (PLA), etc. Microbial fermentation has proven to be an auspicious approach for lactic acid industrial production because it allows for the utilization of renewable green energy sources. Different biotechnological techniques have been explored to increase lactic acid production. However, this bio-based production route suffers from the major shortcoming derived from the limited availability of fermentable starchy substrates. This concern has led to the search for cost-effective and widely available alternative substrates. Lignocellulosic biomass, due to its abundance and continuous production, is presented as a viable substitute substrate for lactic acid production. However, various challenges stemming from the complexity of polymeric sugars are linked with the use of lignocellulosic materials. The potential solutions to maximize the benefits of using lignocellulosic biomass in LA production should be considered. This review examined and discussed recent progress in the production of lactic acid using lignocellulosic biomass and highlights potential strategies for improving its production. Additionally, the most recent purification techniques are summarized. Building upon this knowledge will set the stage for the further establishment of innovative sustainability approaches to circular bio-economy. (C) 2020 Elsevier B.V. All rights reserved.

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