Abstract
Spores of Aspergillus niger obtained by solid state fermentation on buckwheat seeds produced gluconic acid from glucose with a high yield, near 1.06 g gluconic acid/g glucose, close to the stoichiometric value. The reaction itself could be carried out either with purified biocatalyst or with the whole buckwheat medium resulting from spore production process. 200 g gluconic acid/L were obtained in 200 h with sequential feedings of glucose up to 190 g/L.
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Moksia, J., Larroche, C. & Gros, JB. Gluconate production by spores of Aspergillus niger . Biotechnol Lett 18, 1025–1030 (1996). https://doi.org/10.1007/BF00129725
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DOI: https://doi.org/10.1007/BF00129725