Use of Zymomonas mobilis and Saccharomyces cerevisiae mixed with Kluyveromyces fragilis for improved ethanol production from Jerusalem artichoke tubers

被引:102
作者
Szambelan, K [1 ]
Nowak, J [1 ]
Czarnecki, Z [1 ]
机构
[1] Univ Agr Poznan, Inst Food Technol, PL-60624 Poznan, Poland
关键词
bacterium; ethanol yield; Jerusalem artichoke; mixed culture; yeasts;
D O I
10.1023/B:BILE.0000025889.25364.4b
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
Jerusalem artichoke mashed tubers were fermented using single yeasts and a bacterium as well as mixed culture of microorganisms. Kluyveromyces fragilis, a yeast with an active inulinase, was used together with either a commercial distillery yeast, Saccharomyces cerevisiae, or the bacterium Zymomonas mobilis. After batch fermentation the best ethanol concentration of 0.48 g g(-1) for the mixed population and 0.46 g g(-1) for the single population can be obtained. The theoretical yield of the mixed cultures was 2 - 12% higher than for the single microorganism.
引用
收藏
页码:845 / 848
页数:4
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