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African Journal of Biotechnology

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A kinetic model for citric acid production from apple pomac by Aspergillus niger

MS Baei, M Mahmoudi, H Yunesi

Abstract


The fermentation kinetics of citric acid by Aspergillus niger were studied in a batch system. A simple model was proposed using the logistic equation for growth, the Luedeking-Piret equation for citric acid production and Luedeking-Piret-like equation for glucose consumption. The model appeared to provide a reasonable description for each parameter during the growth phase. The production of citric acid by A. niger is growth-associated.



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