Xylanase pretreatment had removal effects on lignin of the pulp and could boost the dissolving of lignin during alkali extraction process.

• 木聚糖酶预处理对纸浆中的木素有脱除作用,且能促进木素在碱抽提过程中的溶出,但木聚糖酶对戊聚糖和纤维素也有不同程度的降解作用;