摘要
纤维素、半纤维素和木素是主要的生物质原料,它们对自然界的碳循环是必不可少的。每种聚合物都可被能产生协同作用的酶系的多种微生物降解。不久的将来,基于微生物和酶的新工艺会引起新的环境友好技术。主要介绍了三大生物质原料的生物降解所需要的微生物和酶,对主要酶的作用机制和分子生物学进展也进行了阐述,另外概述了基于木质纤维原料酶水解的生物制浆和生物漂白的研究进展。
Cellulose, hemicellulose and lignin are major sources of plant biomass in nature, and their recycling is indispensable for the carbon cycle. Each polymer is degraded by a variety of microorganisms which produce a battery of enzymes that work synergically. In the near future, processes that use lignocellulolytic enzymes or are based on microorganisms could lead to new, environmentally friendly technologies. This study mainly introduced recent advances of the microorganisms and enzymes which could degrade these three lignicellulose biopolymers. In addition, we reviews the research on biopulping and biobeaching which based on the biodegradation.
出处
《黑龙江造纸》
2009年第1期42-47,共6页
Heilongjiang Pulp & Paper
关键词
纤维素
半纤维素
木素
生物降解
cellulose
hemicellulose
lignin
biodegradation.
