Xylitol from rice husks by acid hydrolysis and Candida yeast fermentation
An investigation was conducted into the production of xylose by acid hydrolysis of rice husks and its subsequent bioconversion to xylitol. The parameters were optimised using the response surface methodology. The fermentation stage took place with the aid of the yeast species Candida guilliermondii...
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| Veröffentlicht in: | Química Nova 2013, Vol.36 (5), p.634-639 |
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| creator | Rambo, Magale K. D. Bevilaqua, Daiane B. Brenner, Carla G. B. Martins, Ayrton F. Mario, Débora N. Alves, Sydney H. Mallmann, Carlos A. |
| description | An investigation was conducted into the production of xylose by acid hydrolysis of rice husks and its subsequent bioconversion to xylitol. The parameters were optimised using the response surface methodology. The fermentation stage took place with the aid of the yeast species Candida guilliermondii and Candida tropicalis. An evaluation of the influence of several biomass pre-treatments was also performed. The effects of the acid concentration and hydrolysate pH on xylitol global yield were also assessed, and the highest yield of xylitol was 64.0% (w/w). The main products, xylose and xylitol, were identified and quantified by means of liquid chromatography. |
| doi_str_mv | 10.1590/S0100-40422013000500004 |
| format | Article |
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| subjects | CHEMISTRY, MULTIDISCIPLINARY fermentation rice husks xylitol |
| title | Xylitol from rice husks by acid hydrolysis and Candida yeast fermentation |
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