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Substrate specificities of xylanases from Aspergillus niger and its relationship of xylooligosaccharide production

WU Ke, CAI Jing min, ZHANG Jie, LIU Bin, JU Meng, WANG Tao, PAN Ren rui (Biotechnology Institute,Hefei Union University,Hefei 230022)  
Xylanases purification from Aspergillus niger were studied.Three kinds of xylanases,X1,X2 and X3,were obtained by means of isolation from Sephadex G?100 and DEAE?Sephadex A?50.The pure xylanases showed homogeneous with PAGE.The relative properties of xylanases were studied,especially their substrate specificities.Hydrolysis of corncob hemicellulose with xylanase X3 of partially purified enzyme could be used for xylooligosaccharide production.The recovery was 10%.
【Fund】: 安徽省科委自然科学基金!(982 415 15 );; 合肥市科委重点攻关项目
【CateGory Index】: TS201.3
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