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《Henan Science》 2004-04
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Study on the properties of xylanase from aspergillus niger

GUO Jian-lin, CHENG Yan-wei, LI Huan-qing(Zhengzhou Institute of Technology, Zhengzhou 450052, China)  
The properties of the xylanase from aspergillus niger were studied with spectrophotometer. The results show that the optimal temperature is 50℃ and optimal pH is 4.5 respectively, the range of pH stability is from 5.5 to 7.0, the enzyme is stable at 60℃, K and Cu(2) have inhibitory effect on the xylanase activity, but Co(3)、Ca(2)、Ba(2)、Zn(2)、Fe(3)、Mg(2) and Cr(3) could improve the activity, but Al(3) has no effect on the xylanase activity.
【CateGory Index】: TS202
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