Inhibition of the fermentation of oak hemicellulose acid-hydrolysate by minor sugars

被引：11

作者：

Converti, A ^{[1
]}

Del Borghi, M ^{[1
]}

机构：

[1] Univ Genoa, Inst Chem & Proc Engn GB Bonino, I-16145 Genoa, Italy

来源：

JOURNAL OF BIOTECHNOLOGY | 1998年 / 64卷 / 2-3期

关键词：

oak; hemicellulose hydrolysate; xylose; alcohol fermentation; Pachysolen tannophilus;

D O I：

10.1016/S0168-1656(98)00109-6

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：

Synthetic xylose media and detoxified oak hemicellulose acid-hydrolysates with different starting xylose contents were fermented batchwise by two strains of Pachysolen tannophilus. Maximum productivities were calculated from the experimental data of ethanol concentration using a graphical procedure. The kinetic parameters calculated for the fermentations of both carbon sources indicate that a competitive inhibition is exerted by the minor sugars (arabinose, rhamnose, and galactose) that are metabolised only slowly or not at all. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：211 / 218

页数：8

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