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Revista Facultad Nacional de Agronomía Medellín
versão impressa ISSN 0304-2847
Resumo
VILLALBA CADAVID, Marcela; VELEZ URIBE, Tatiana; ARIAS ZABALA, Mario e ARRAZOLA PATERNINA, Guillermo. XYLITOL PRODUCTION FROM RICE HUSK USING Candida guilliermondii. Rev. Fac. Nac. Agron. Medellín [online]. 2009, vol.62, n.1, pp.4897-4905. ISSN 0304-2847.
In this study was used rice husk, previosly hydrolyzed with diluted sulfuric acid at 121 ºC and 15 psig, with a residence time 60 min. The initial concentration of substrate, inoculum, and relationship between media volume/flask volume and their combined effects were studied on the production of xylitol. The initial concentrations of 80 g/l xylose and 5 g/l inoculums led the best xylitol production (45.2 g/l), productivity (0.23 g/l•h) and yield (0.57 g/g).
Palavras-chave : Husk rice; acid hydrolysis; xylose; xylitol; Candida guilliermondii.