果胶酶在麻类脱胶中的应用及其作用机理

Mechanism of the Pectinases Used for Bast Fibre Bio-degumming

脱胶是麻类产业链中的难题。生物脱胶则是解决麻类加工技术难题的发展方向。果胶酶在生物脱胶中的应用一直是研究的重点。本文通过分析国内外有关果胶酶和产酶微生物在选育、发酵、酶学性质、基因工程与脱胶工艺等方面的研究进展,阐明了果胶酶在麻类脱胶中的作用机理。果胶酶是麻类生物脱胶不能缺少的关键酶之一,但不能独立完成麻类脱胶;根据麻类纤维原料特性,采用基因操作等技术构建复合酶高产菌株是未来的重点研究方向。

Degumming is a key problem in bast fibre industry while biological method is the development trend of fibre extraction, and pectinases application in biological degumming is the hotsopt of the research. In this paper, the mechanism of the pectinases used for bast fibre degumming has been expounded according to many studies on the pectinases and the pectinase-producing strains. Pectinase is considered as an essential enzyme for bast fibre bio-degumming, but it can not complete degumming independently. The research in the future will focus on constructing efficient strains, which secrete the whole indispensable enzymes by genetic manipulation methods.