Optimization of Encapsulation by Ionic Gelation Technique of Cryoconcentrated Solution: A Response Surface Methodology and Evaluation of Physicochemical Characteristics Study

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dc.contributor.authorGuerra-Valle, M.
dc.contributor.authorPetzold, G.
dc.contributor.authorOrellana-Palma, P.
dc.date.accessioned2022-06-14T14:48:19Z
dc.date.available2022-06-14T14:48:19Z
dc.date.issued2022-03
dc.descriptionIndexación: Scopus.es
dc.description.abstractThe objective of this study was to evaluate the optimal conditions to encapsulate cryoconcentrate solutions via ionic gelation technique. Hydrogel beads were prepared using alginate (1%, 2% and 3% (w/w)) and cornstarch (0.5%, 1% and 2% (w/w)). Later, a sucrose/acid gallic solution was concentrated through block freeze concentration (BFC) at three cycles. Thus, each solution was a mixture with the respective combination of alginate/cornstarch. The final solution was added drop-wise on a CaCl2 solution, allowing the formation of calcium alginate-cornstarch hydrogel beads filled with sucrose/acid gallic solution or cryoconcentrated solution. The results showed that alginate at 2% (w/w) and cornstarch at 2% (w/w) had the best efficiency to encapsulate any solution, with values close to 63.3%, 90.2%, 97.7%, and 75.1%, and particle sizes of approximately 3.09, 2.82, 2.73, and 2.64 mm, for initial solution, cycle 1, cycle 2, and cycle 3, respectively. Moreover, all the samples presented spherical shape. Therefore, the appropriate content of alginate and cornstarch allows for increasing the amount of model cryoconcentrated solution inside of the hydrogel beads. Furthermore, the physicochemical and morphological characteristics of hydrogel beads can be focused for future food and/or pharmaceutical applications, utilizing juice or extract concentrated by BFC as the solution encapsulated.es
dc.description.urihttps://www.mdpi.com/2073-4360/14/5/1031
dc.identifier.citationPolymers, Volume 14, Issue 5, March-1 2022, Article number 1031es
dc.identifier.doi10.3390/polym14051031
dc.identifier.issn2073-4360
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/22813
dc.language.isoenes
dc.publisherMDPIes
dc.rights.licenseAttribution 4.0 International (CC BY 4.0)
dc.rights.urihttps://www.mdpi.com/openaccess
dc.subjectBeadses
dc.subjectCryoconcentrationes
dc.subjectEncapsulationes
dc.subjectHydrogeles
dc.subjectModel solutiones
dc.titleOptimization of Encapsulation by Ionic Gelation Technique of Cryoconcentrated Solution: A Response Surface Methodology and Evaluation of Physicochemical Characteristics Studyes
dc.typeArtículoes
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