FERMENTATION OF CASSAVA PEELS FOR THE PRODUCTION OF CELLULOLYTIC ENZYMES

被引：4
|
作者：
OFUYA, CO
NWAJIUBA, CJ
机构：
[1] Department of Microbiology, University of Port Harcourt, Port Harcourt
来源：
JOURNAL OF APPLIED BACTERIOLOGY | 1990年 / 68卷 / 02期
关键词：
D O I：
10.1111/j.1365-2672.1990.tb02563.x
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：
Cassava peels were used as a substrate for the production of cellulolytic enzymes. Under solid substrate fermentation conditions and a Rhizopus sp., thermostable cellulolytic enzymes were produced. Optimal production temperature and pH were 45°C and 5.6 respectively. Kinetic studies of the enzymes showed that the cellulase C1 activity was optimal at pH 5.0 and 50°C, whereas that of cellulase Cx was optimal at pH 7.0 and 60°C. The enzymes degraded ca 44% of sorghum grains in 6 h, thus suggesting a possible use in saccharification processes. The results also showed the possibility of re‐cycling cassava peels as a cheap substrate for the enzyme industry. and accepted 6 June 1989 Copyright © 1990, Wiley Blackwell. All rights reserved
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页码：171 / 177
页数：7
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