Study on Screening and Cultivation Conditions of Xylanase.Producing Alkalophilic Bacterial

编号 zgly0000331031

文献类型 期刊论文

文献题名 Study on Screening and Cultivation Conditions of Xylanase.Producing Alkalophilic Bacterial

作者 HanXiao-fang  ZhengLian-shuang  XieYi-min 

作者单位 DepartmentofChemicalEngineering 

母体文献 Wuhan University Journal of Natural Sciences（武汉大学学报：自然科学英文版） 

年卷期 2004,9(1)

页码 125-128

年份 2004 

分类号 Q946.5 

关键词 木聚糖酶  嗜碱细菌  碳源  氮源  细胞壁  植物 

文摘内容 An xylanase producting alkalophilic Bacillus NT-9 was obtaind by the screening method of transparent zone on the selective medium, and the effects of carbon source and nitrogen source on xylanase production were studied. The medium composed of xylose 1. 5%, (NH4)2 SO4 0. 25%,K2HPO4 0.1%, MgSO4 · 7H2O 0. 02%, with the initial pH of 10, was suggested to be optimal for the enzyme production in this study. When cultivatied at 37℃ for 72 h, the enzyme activity elaborated by the strain may reach as high as 10. 5 U/mL. The xylanase produced by Bacillus NT-9 was a constituent enzyme。