Bioconversion of Cassava Starch to Ethanol in a Simultaneous Saccharification and Fermentation Process by Co-Cultures of Aspergillus niger and Saccharomyces cerevisiae

被引：0
|
作者：
Ado, S. A. [1 ]
Olukotun, G. B. [1 ]
Ameh, J. B. [1 ]
Yabaya, A. [2 ]
机构：
[1] Ahmadu Bello Univ, Dept Microbiol, Zaria, Nigeria
[2] Kaduna State Univ, Dept Microbiol, Kaduna, Nigeria
来源：
JOURNAL OF PURE AND APPLIED MICROBIOLOGY | 2010年 / 4卷 / 01期
关键词：
A; niger; S; cerevisiae; Fermentation; Ethanol; Cell dry weight; Residual sugar;
D O I：
暂无
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：
Ethanol production by co-cultures of A. niger (GS4) and S. cerevisiae (BK6) was studied using cassava starch as substrate. At 1% substrate concentration ethanol yield was 0.35g/100ml while the ethanol concentration increased to a maximum of 3.60g/100m1 at 8% substrate concentration. When the culture conditions were optimized, the ethanol yield further increased to 4.30g/100ml at a temperature of 35 degrees C, pH 5.0, 300rpm agitation rate and reduced fermentation period of 4 days.
引用
收藏
页码：55 / 61
页数：7
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