虽然那些组成植物茎干纤维素和木质素的分子不能为酵母所消化，但是某些细菌和其他种类的真菌可以完成这项任务。
Although yeast cannot digest cellulose or lignin, the molecules that form a plant's skeleton, some bacteria and other species of fungi are able to do the job.
第一个定义是相当机械，确定为植物纤维多糖和木质素，能抵抗在男子(6)消化酶水解的组成部分。
The first definition was rather mechanistic and defined fibre as the components of plant polysaccharides and lignin, which are resistant to hydrolysis by digestive enzymes in man (6).
木质素是一种高度聚合的无定形材料，组成木质纤维的胞间薄层将纤维连接起来。
Specifically, lignin is a highly polymerized, amorphous material that makes up the middle lamella of woody fibers and cements the fibers together.
根据他们的行为，木材腐朽的最终结果是所有组成部分（纤维素和木质素）所占比例大小有不同比率的变化，并且腐朽的木材变成浅色。
The ultimate result of the wood decay under their action is that all components (cellulose and lignin) are removed in differing proportions at different rates, and the decayed wood is light- colored.
秸秆是丰富的可再生资源，主要由纤维素、半纤维素和木质素组成。
The stover is abundant and renewable resource and mainly consists of cellulose , hemicellulose and lignin.
林产资源包括纤维素、半纤维素、木质素、萜类化合物、酚类化合物等树木的主要化学组成。
Forest resources include the main chemical components of wood, namely cellulose, hemicellulose, lignin, terpenoids and phenolics.
不同方法制备得到的木质素产品，元素组成及官能团含量是不同的。
The element composition and the group content of lignin are different if it prepares by the different methods.
木质素一种复杂聚合物，是木头非碳水化合物的主要组成物，作用是凝聚纤维素并增强细胞壁的强度。
A complex polymer, the chief noncarbohydrate constituent of wood, that binds to cellulose fibers and hardens and strengthens the cell walls of plants.
原料中木质素的种类、含量与组成不同，直接影响制浆的经济性和污染程度。
The difference in lignin varieties, contents and components in the raw materials has a direct influence on the economy and degree of pollution of pulping.
秸秆化学组成成分分析结果表明，麦秸、稻草的粗纤维在180天后分别残留了15.3%、21.5%，油菜的粗纤维分解相对较慢，三种秸秆的木质素和粗灰分均有增加的趋势。
After 180 days, the coarse fibre of wheat and rice were remained by 15.3%, 21.5%, the lignin and coarse ash were showing a tendency to increase.
秸秆化学组成成分分析结果表明，麦秸、稻草的粗纤维在180天后分别残留了15.3%、21.5%，油菜的粗纤维分解相对较慢，三种秸秆的木质素和粗灰分均有增加的趋势。
After 180 days, the coarse fibre of wheat and rice were remained by 15.3%, 21.5%, the lignin and coarse ash were showing a tendency to increase.
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