Any of several polysaccharides that are more complex than a sugar and less complex than cellulose,found in plant cell walls and produced commercially from corn grain hulls.

• 半纤维素比糖复杂但没有纤维素复杂的几种多聚糖中的一种，在植物的细胞壁中发现，商业中由谷物的外壳制得。