UTILIZATION OF SUGAR-CANE BAGASSE HEMICELLULOSIC HYDROLYZATE BY CANDIDA-GUILLIERMONDII FOR XYLITOL PRODUCTION

被引：84
|
作者：
ROBERTO, IC [1 ]
FELIPE, MGA [1 ]
LACIS, LS [1 ]
SILVA, SS [1 ]
DEMANCILHA, IM [1 ]
机构：
[1] FDN IND TECHNOL,CTR BIOTECHNOL & CHEM,BR-12600 LORENA,SP,BRAZIL
来源：
BIORESOURCE TECHNOLOGY | 1991年 / 36卷 / 03期
关键词：
CANDIDA-GUILLIERMONDII; XYLITOL; HEMICELLULOSIC HYDROLYZATE; HYDROLYZATE TREATMENTS; FERMENTATION; SUGAR CANE BAGASSE;
D O I：
10.1016/0960-8524(91)90234-B
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Sugar cane bagasse hemicellulosic hydrolyzate from steam explosion was treated by seven different methods in which the pH was altered by bases (including Ca(OH)2, CaO and KOH) and H2SO4. The effectiveness of the treatment was judged by measuring the conversion of the hydrolyzate to xylitol by Candida guilliermondii. The best treatment was found to be the alteration of pH to 10 with Ca(OH)2 and its subsequent decrease to 6.5 with H2SO4, since 95% of the original 70 g/liter xylose contained in the hydrolyzate was converted to xylitol with a yield of 0.48 g/g (53% of the theoretical maximum).
引用
收藏
页码：271 / 275
页数：5
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