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Covalently Cross-Linked Arabinoxylans Films for Debaryomyces hansenii Entrapment

dc.creatorRAMSES RAMON GONZALEZ ESTRADA
dc.creatorMONTSERRAT CALDERON SANTOYO
dc.creatorELIZABETH CARVAJAL MILLAN
dc.creatorFELIPE DE JESUS ASCENCIO VALLE
dc.creatorJUAN ARTURO RAGAZZO SANCHEZ
dc.creatorFRANCISCO BROWN BOJORQUEZ
dc.creatorAGUSTIN RASCON CHU
dc.date2015
dc.identifierhttp://cibnor.repositorioinstitucional.mx/jspui/handle/1001/747
dc.identifier.urihttp://dspace.cibnor.mx:8080/handle/123456789/1452
dc.description"In the present study, wheat water extractable arabinoxylans (WEAX) were isolated and characterized, and their capability to form covalently cross-linked films in presence of Debaryomyces hansenii was evaluated. WEAX presented an arabinose to xylose ratio of 0.60, a ferulic acid and diferulic acid content of 2.1 and 0.04 μg∙mg−1 WEAX, respectively and a Fourier Transform Infra-Red (FT-IR) spectrum typical of WEAX. The intrinsic viscosity and viscosimetric molecular weight values for WEAX were 3.6 dL∙g−1 and 440 kDa, respectively. The gelation of WEAX (1% w/v) with and without D. hansenii (1 × 107 CFU∙cm−2) was rheologically investigated by small amplitude oscillatory shear. The entrapment of D. hansenii decreased gel elasticity from 1.4 to 0.3 Pa, probably by affecting the physical interactions between WEAX chains. Covalently cross-linked WEAX films containing D. hansenii were prepared by casting. Scanning electron microscopy images show that WEAX films containing D. hansenii were porous and consisted of granular-like and fibre microstructures. Average tensile strength, elongation at break and Young’s modulus values dropped when D. hansenii was present in the film. Covalently cross-lined WEAX containing D. hansenii could be a suitable as a functional entrapping film."
dc.formatapplication/pdf
dc.languageeng
dc.publisherMultidisciplinary Digital Publishing Institute
dc.relationinfo:eu-repo/semantics/reference/DOI/DOI: 10.3390/molecules200611373
dc.relationinfo:eu-repo/semantics/reference/ISSN/ISSN: 1420-3049
dc.relationinfo:eu-repo/semantics/reference/URL/URL: http://www.mdpi.com/journal/molecules
dc.relationcitation:González-Estrada, R.; Calderón-Santoyo, M.; Carvajal-Millan, E.; Valle, F.J.A.; Ragazzo-Sánchez, J.A.; Brown-Bojorquez, F.; Rascón-Chu, A. Covalently Cross-Linked Arabinoxylans Films for Debaryomyces hansenii Entrapment. Molecules 2015, 20, 11373-11386.
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.sourceMolecules
dc.subjectinfo:eu-repo/classification/AUTOR/arabinoxylans, rheology, microscopy, cells protection
dc.subjectinfo:eu-repo/classification/cti/2
dc.subjectinfo:eu-repo/classification/cti/24
dc.subjectinfo:eu-repo/classification/cti/2414
dc.subjectinfo:eu-repo/classification/cti/241410
dc.titleCovalently Cross-Linked Arabinoxylans Films for Debaryomyces hansenii Entrapment
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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