Xylanase from Trichoderma ressei Rut C 30 with corncob meal as carbon source was prepared and improvement of bleachability and brightness of wheat straw CMP by xylanase pretreatment were investigated.

• 探讨了以玉米芯为碳源制备木聚糖酶及麦草化学机械浆经该木聚糖酶预处理后可漂性和白度的改善效果。