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Página principal > Artículos > Artículos publicados > Enhancing the bioproduction of value-added aroma compounds via solid-state fermentation of sugarcane bagasse and sugar beet molasses : |
Fecha: | 2018 |
Resumen: | Bioproduction of generally recognized as safe (GRAS) products starting with low-cost raw materials has become significant in the biorefinery concept. Thus, the solid-state fermentation (SSF) of agro-industrial residues using GRAS strains appears as alternative to obtain aroma compounds. Here, the SSF of the mixture sugarcane bagasse/sugar beet molasses was used for producing a mixture of value-added fruit-like compounds. The study aimed to enhance the production and ester selectivity evaluating three operational strategies at three scales (0. 5, 4. 5 and 22 L) using non-sterilized residues. While the average total volatile production was 120 mgVol per gram of dry substrate (g⁻¹ITS), fed-batch operation promoted the highest increases in the ester content up to 57 mgEst g⁻¹ITS, an 88 and 59% more than in the static-batch and intermittent mixing modes respectively. Alternative operational strategies have compensated the scale-up adverse effects in the bioproduction, moving towards a sustainable large-scale application in a circular economy scheme. |
Ayudas: | Ministerio de Economía y Competitividad CTM2015-69513-R Agència de Gestió d'Ajuts Universitaris i de Recerca TECSPR15-1-0051 |
Derechos: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. |
Lengua: | Anglès |
Documento: | Article ; recerca ; Versió sotmesa a revisió |
Materia: | Kluyveromyces marxianus ; Waste valorization ; Solid-state fermentation ; Sustainable process ; Scale-up |
Publicado en: | Bioresource technology, Vol. 263 (Sep. 2018) , p. 136-144, ISSN 0960-8524 |
Preprint 37 p, 1.2 MB |