The use of steamed hemicellulose as substrate in microbial conversions

Johanna Büchert, Jürgen Puls, Kaisa Poutanen

    Research output: Contribution to journalArticleScientificpeer-review

    28 Citations (Scopus)


    The suitability of acid- and enzymatically hydrolyzed birch hemicellulose as biotechnical raw material was studied usingCluconobacter oxydans, Fusarium oxysporum, andCandida utilis for production of xylonic acid, ethanol, and SCP, respectively.
    The fermentabilities of both hydrolyzates were rather similar and inhibition was evident in all cases at xylose concentrations of 257–30 g/L and higher.
    Potential identified fermentation inhibitors were the lignin-derived compounds sinapyl alcohol, coniferyl alcohol, vanillin, and syringaldehyde and the sugar degradation products furfural and 5-hydroxymethyl furfural.
    Original languageEnglish
    Pages (from-to)309-318
    JournalApplied Biochemistry and Biotechnology
    Issue number1
    Publication statusPublished - 1989
    MoE publication typeA1 Journal article-refereed


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