Abstract
CERTAIN strains of A. niger, as is well known, ferment sugar to citric acid to the virtual exclusion of any other acid. Strong citric acid fermentations, however, are often accompanied by the production of mould starch1 and a dextrin-like substance2. The present communication directs attention to the formation also of i-erythritol. Though this tetrahydric alcohol has already been found in two species of Penicillium, namely, P. brevi-compactum Dierckx and P. cyclopium Westling3, and in one species of Aspergillus, A. terreus4, rather surprisingly no one has hitherto reported its occurrence in cultures of A. niger.
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References
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YUILL, J. Production of i-Erythritol by Aspergillus niger. Nature 162, 652 (1948). https://doi.org/10.1038/162652a0
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DOI: https://doi.org/10.1038/162652a0
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