The role of xylonolactone in xylonic acid production by Pseudomonas fragi

Johanna Buchert (Corresponding Author), Liisa Viikari

Research output: Contribution to journalArticleScientificpeer-review

29 Citations (Scopus)

Abstract

Xylonic acid was produced by Pseudomonas fragi ATCC 4973 on 15% xylose medium with a yield of 96% of the theoretical. In the middle of the fermentation, growth was inhibited due to formation of inhibitory xylono-γ-lactone. The spontaneous, non-enzymatic hydrolysis of lactone accounted for only 19% of the hydrolysis demand, thus explaining the accumulation of xylonolactone in the broth. It appeared that high amounts of xylono-γ-lactone induced xylonolactonase enzyme, which brought about the total hydrolysis of xylonolactone.
Original languageEnglish
Pages (from-to)333-336
JournalApplied Microbiology and Biotechnology
Volume27
Issue number4
DOIs
Publication statusPublished - 1988
MoE publication typeA1 Journal article-refereed

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