Ethanol production from dilute acid hydrolysate of rice hulls using genetically engineered Escherichia coli

被引：47

作者：

Moniruzzaman, M ^{[1
]}

Ingram, LO ^{[1
]}

机构：

[1] Univ Florida, Inst Food & Agr Sci, Dept Microbiol & Cell Sci, Gainesville, FL 32611 USA

来源：

BIOTECHNOLOGY LETTERS | 1998年 / 20卷 / 10期

关键词：

ethanol; rice hulls; E-coli; starch; hemicellulose;

D O I：

10.1023/A:1005490501736

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：

Approximately 30% of rice hulls, which represent an abundant residue with little commercial value, was solubilized with 0.4 M H2SO4 acid to produce a syrup containing over 100 g monomer sugar/l. Toxins generated during hydrolysis were mitigated with Ca(OH)(2). Treated hydrolysate plus additional nutrients was fermented with Escherichia coli KO11 to produce over 46 g ethanol/L in 72 h (92% of theoretical yield).

引用

页码：943 / 947

页数：5

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