ETHANOL-PRODUCTION FROM GLUCOSE BY FREE AND AGAR-ENTRAPPED BATCH CULTURES OF SACCHAROMYCES-CEREVISIAE AT DIFFERENT OXYGENATION LEVELS

被引：4

作者：

HINFRAY, C ^{[1
]}

JOUENNE, T ^{[1
]}

JUNTER, GA ^{[1
]}

机构：

[1] UNIV ROUEN,TECHNOL MICROBIENNE GRP,CNRS,URA 500,F-76230 BOIS GUILLAUME,FRANCE

来源：

BIOTECHNOLOGY LETTERS | 1994年 / 16卷 / 10期

关键词：

D O I：

10.1007/BF01022412

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：

The influence of the oxygenation level on glucose alcoholic fermentation by free- and immobilized-cell batch cultures of Saccharomyces cerevisiae (CBS 1200) was investigated. Ethanol production by suspended cultures was stimulated by moderate oxygen flow rates (OFRs) but inhibited by higher OFRs (1.25 mol O-2 h(-1) dm(-3)). On the contrary, agar-entrapped yeasts displayed the best fermentation performance under strict anaerobiosis and were less affected than free cultures by high OFRs. These results are discussed by referring to the substrate mass transfer limitations inherent in immobilized-cell systems.

引用

页码：1107 / 1112

页数：6

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