Development of a Low-Cost Fermentation Medium for Ethanol Production from Biomass

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    Nutrient cost is an important aspect in the fermentation of biomass to ethanol. With a goal of developing a cost-effective fermentation medium, several industrially available nutrient sources were evaluated for their effectiveness in the simultaneous saccharification and fermentation of pretreated poplar with Saccharomyces cerevisiae D5A. These studies showed that a low-cost medium containing 0.3% corn steep liquor and 2.5 mM MgSO4 ..cntdot.. 7H2O was similar in performance to a nutrient-rich medium. Besides its low cost, this alternative medium consists of components that are available on a commerical scale, thereby making it industrially relevant.
    Original languageAmerican English
    Pages (from-to)625-629
    Number of pages5
    JournalApplied Microbiology and Biotechnology
    StatePublished - 1997

    NREL Publication Number

    • NREL/JA-427-23755


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