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Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

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在深层性溶剂中以乳糖酶催化的红素脱聚合:挑战和前景

Man Zhou¹, Olugbenga Abiola Fakayode^1,2, Manni Ren¹

¹School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, People's Republic of China.

Bioresources and bioprocessing

|April 22, 2024

概括

此摘要是机器生成的。

使用乳酸酶和深度性溶剂 (DES) 的酶性木质素脱聚合提供了一条可持续的通往高价值化学品的途径. 这种绿色方法提高了素的可溶性和催化效率,改善了化学生产.

关键词:

生物催化剂是一种生物催化剂.深层欧性溶剂深层欧性溶剂拉卡斯 (Laccase) 是一个古老的城市.氨酸脱聚合法氨酸脱聚合法红纤维素生物质的生物质.

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科学领域:

生物催化剂是一种生物催化剂.
绿色化学绿色化学
可再生原料原料可再生原料

背景情况:

作为一种可再生资源的,由于其反抗性和异质性,难以脱聚合.
酶去聚合提供了一种可持续的方法,乳酸酶作为关键的绿色催化剂.
深度环氧化溶剂 (DES) 是有效的绿色溶剂,增强了素的溶解性,适合生物催化.

研究的目的:

审查使用深度性溶剂 (DES) 与乳酸酶用于素脱聚合的协同策略.
探索最近在laccase-DES相互作用和蛋白质工程方面的进展,以提高兼容性.
讨论控制素降解过程中的产品选择性的策略.

主要方法:

关于使用laccases和DES进行红素脱聚合的文献综述.
分析laccase-DES相互作用及其对酶活性的影响.
检查蛋白质工程方法,以提高DES中的乳酶稳定性和性能.
讨论在酶性木质素降解过程中控制产品选择性的方法.

主要成果:

深度浸泡溶剂 (DES) 显著提高了素的溶解性和分离能力.
乳酶在DES中显示出高基质和产品选择性在素脱聚合过程中.
蛋白质工程可以在DES环境中提高laccase兼容性和性能.
在DES中控制乳糖酶活性或反应条件,允许有针对性的素降解产物.

结论:

乳糖酶和DES的组合为高效的素脱聚合提供了一个有希望的绿色和酶性途径.
这一战略有助于将红素转化为有价值的化学物质,促进循环经济.
对乳酶-DES系统的进一步研究有可能优化氨酸的价值化.