Effect of acid or enzymatic hydrolysis on ethanol production by Zymomonas mobilis growing on Jerusalem artichoke juice |
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Authors: | I Toran-Diaz V K Jain J-J Allais J Baratti |
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Institution: | (1) CNRS, Laboratoire de Chimie Bactérienne, Université de Provence, BP 71, 13277 Marseille Cedex 9, France |
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Abstract: | Summary Ethanol production from the inulin of Jerusalem artichoke byZ. mobilis was studied in batch and continuous fermentations. Both acid or enzymatic hydrolysis were used. In continuous cultures enzymatic hydrolysis showed better results. Ethanol productivities of 17.7 and 29.0 g/l.h were obtained at output concentrationsca 35 g/l (% of conversion 99 and 83; ethanol yield 0.45 g/g). The hydrolysed juice could be used without any nutrient addition. |
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