Influence of calcium on fungal growth and citric acid production during fermentation of a sugarcane molasses-based medium by a strain of Aspergillus niger |
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| Authors: | Pera L.M. Callieri D.A. |
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| Affiliation: | (1) Planta Piloto de Procesos Industriales Microbiológicos (PROIMI), Av, Belgrano y Pje Caseros –, 4000 – Tucumán, Argentina |
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| Abstract: | The effect of CaCl2 on the growth, morphology and citric acid production from sugarcane molasses by Aspergillus niger 419 was studied. The addition of 0.5g CaCl2/l to the fermentation medium induced a loose pelleted form of growth, reduced the biomass concentration and increased the volumetric productivity (g citric acid/h) and the specific production (g citric acid/g biomass dw) from 0.02 and 0.37 to 0.13 and 3.72, respectively. |
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| Keywords: | Aspergillus niger calcium citric acid fungal morphology molasses |
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