【摘要】 黑曲霉（ASPERGILLUSNICER）菌株固态发酵的产酶过程研究表明，培养3天产木聚糖酶活力达最高，SephadexG-100,DEAE-SephadexA-50。经分离纯化后获得三个组分，X1X2，X3，它们的最适反应温度和pH分别为40，50，50℃和3.5，4.5，5.0.木聚糖酶相关性质和应用也进行了研究。更多还原

【Abstract】 Xylanase production from Aspergillus niger with solid state fermentation were studied,Xylanase actvity is up to the highest when Cullured 3 days. Three fractions of enzyme, x 1, x 2 and x 3 were isolated viaSephadex G - 100, DEAE - Sephadex A - 50. The optimun temperatures and pH are 40, 50, 50℃ and 3. 5,4. 5, 5. 0, respectively. The related properties and application of xylanase were also studied.更多还原