期刊
BIOTECHNOLOGY LETTERS
卷 26, 期 10, 页码 845-848出版社
SPRINGER
DOI: 10.1023/B:BILE.0000025889.25364.4b
关键词
bacterium; ethanol yield; Jerusalem artichoke; mixed culture; yeasts
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.
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