Journal
MOLECULES
Volume 18, Issue 5, Pages 5531-5542Publisher
MDPI
DOI: 10.3390/molecules18055531
Keywords
ferulated arabinoxylans; supercritical drying; microstructure; texture; rehydration
Funding
- Fondo Sectorial de Investigacion en Salud y Seguridad Social SSA/IMSS/ISSSTE-CONACYT, Mexico [179746]
- Proyectos y fortalecimiento de Redes Tematicas CONACYT de investigacion formadas [193949]
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Water extractable arabinoxylan (WEAX) aerogels were prepared by extracting the solvent from the alcogels (WEAX hydrogels with an alcohol as the solvent) with carbon dioxide under supercritical conditions. WEAX aerogels were characterized using scanning electron microscopy and adsorption and desorption nitrogen isotherms. The micrographs indicate a heterogeneous porous network structure in WEAX aerogel. Adsorption/desorption nitrogen isotherms of this material were type IV, which confirm that this material possess a mesoporous structure. WEAX aerogels rehydration capability was evaluated and the water absorption mechanism was determined. The WEAX aerogels water absorption mechanism was non-Fickian (n = 0.54).
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