Redox potential in submerged citric acid fermentation |
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Authors: | Marin Berovič Aleksa Cimerman |
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Affiliation: | (1) Chemical Institute Boris Kidri, 61000 Ljubljana, Jugoslavija |
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Abstract: | Summary The role and importance of the redox potential phenomena in submerged citric acid production are discussed. The redox potential of the fermentation broth is the result of oxydo-reduction processes where the metabolic activity of the microorganism Aspergillus niger plays the most significant role. The course of the redox curve for a good yielding citric acid production is presented and interpreted. The experiments of submerged citric acid production were carried out on beet molasses treated with potassium hexacyanoferrate and inoculated with A. niger spores. |
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