Synergistic temperature and ethanol effect on Saccharomyces cerevisiae dynamic behaviour in ethanol bio-fuel production

被引：70

作者：

Aldiguier, AS ^{[1
]}

Alfenore, S ^{[1
]}

Cameleyre, X ^{[1
]}

Goma, G ^{[1
]}

Uribelarrea, JL ^{[1
]}

Guillouet, SE ^{[1
]}

Molina-Jouve, C ^{[1
]}

机构：

[1] Inst Natl Sci Appl, Dept Genie Biochim & Alimentaire, F-31077 Toulouse, France

来源：

BIOPROCESS AND BIOSYSTEMS ENGINEERING | 2004年 / 26卷 / 04期

关键词：

ethanol fermentation; Saccharomyces cerevisiae; temperature effect; ethanol tolerance; glycerol production;

D O I：

10.1007/s00449-004-0352-6

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：

The impact of ethanol and temperature on the dynamic behaviour of Saccharomyces cerevisiae in ethanol biofuel production was studied using an isothermal fed-batch process at five different temperatures. Fermentation parameters and kinetics were quantified. The best performances were found at 30 and 33degreesC around 120 g l(-1) ethanol produced in 30 h with a slight benefit for growth at 30degreesC and for ethanol production at 33degreesC. Glycerol formation, enhanced with increasing temperatures, was coupled with growth for all fermentations; whereas, a decoupling phenomenon occurred at 36 and 39degreesC pointing out a possible role of glycerol in yeast thermal protection.

引用

页码：217 / 222

页数：6

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