Xylitol production from barley bran hydrolysates by continuous fermentation with Debaryomyces hansenii

被引:33
作者
Cruz, JM [1 ]
Domínguez, JM [1 ]
Domínguez, H [1 ]
Parajó, JC [1 ]
机构
[1] Univ Vigo, Fac Sci, Dept Chem Engn, As Lagoas 32004, Ourense, Spain
关键词
cell recycle; continuous fermentation; Debaryomyces hansenii; xylitol;
D O I
10.1023/A:1005693709338
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The continuous bioconversion of xylose-containing solutions (obtained by acid hydrolysis of barley bran) into xylitol was carried out using the yeast Debaryomyces hansenii under microaerophilic conditions with or without cell recycle. In fermentations without cell recycle, the volumetric productivities ranged from 0.11-0.6 g l(-1) h(-1) were obtained for dilution rates of 0.008-0.088 h(-1). In experiments performed with cell recycle after membrane separation, the optimum xylitol productivity (2.53 g l(-1) h(-1)) was reached at a dilution rate of 0.284 h(-1).
引用
收藏
页码:1895 / 1898
页数:4
相关论文
共 22 条
[1]   FERMENTATION OF SUGARCANE BAGASSE HEMICELLULOSE HYDROLYSATE TO XYLITOL BY A HYDROLYSATE-ACCLIMATIZED YEAST [J].
CHEN, LF ;
GONG, CS .
JOURNAL OF FOOD SCIENCE, 1985, 50 (01) :226-228
[2]  
CONNER AH, 1984, WOOD FIBER SCI, V16, P268
[3]   Dimorphic behaviour of Debaryomyces hansenii grown on barley bran acid hydrolyzates [J].
Cruz, JM ;
Domínguez, JM ;
Domínguez, H ;
Parajó, JC .
BIOTECHNOLOGY LETTERS, 2000, 22 (07) :605-610
[4]  
CRUZ JM, 2000, IN PRESS FOOD BIOTEC
[5]   Dilute acid hemicellulose hydrolysates from corn cobs for xylitol production by yeast [J].
Dominguez, JM ;
Cao, NJ ;
Gong, CS ;
Tsao, GT .
BIORESOURCE TECHNOLOGY, 1997, 61 (01) :85-90
[6]   Xylitol production from hybrid poplar wood chips pretreated by the ammonia steeping process [J].
Dominguez, JM ;
Cao, NJ ;
Krishnan, MS ;
Gong, CS ;
Tsao, GT .
BIOTECHNOLOGY TECHNIQUES, 1997, 11 (05) :339-341
[7]   Xylitol production from wood hydrolyzates by entrapped Debaryomyces hansenii and Candida guilliermondii cells [J].
Domínguez, JM ;
Cruz, JM ;
Roca, E ;
Domínguez, H ;
Parajó, JC .
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY, 1999, 81 (02) :119-130
[8]  
Gino F.M., 1990, BIOMASS ENERGY IND, V2
[9]   EFFECT OF OXYGEN-TRANSFER RATE ON LEVELS OF KEY ENZYMES OF XYLOSE METABOLISM IN DEBARYOMYCES-HANSENII [J].
GIRIO, FM ;
ROSEIRO, JC ;
SAMACHADO, P ;
DUARTEREIS, AR ;
AMARALCOLLACO, MT .
ENZYME AND MICROBIAL TECHNOLOGY, 1994, 16 (12) :1074-1078
[10]  
HEIKKILA H, 1991, Patent No. 10740