Publicación:
IMPACT OF BLOCK CRYOCONCENTRATION ON POLYPHENOL RETENTION IN BLUEBERRY JUICE

dc.creatorMARÍA ESTUARDO GUERRA VALLE
dc.creatorGUILLERMO RODRIGO PETZOLD MALDONADO
dc.date2017
dc.date.accessioned2025-01-10T14:55:36Z
dc.date.available2025-01-10T14:55:36Z
dc.date.issued2017
dc.description.abstractCRYOCONCENTRATION TECHNOLOGY PRODUCES HIGH-QUALITY CONCENTRATES THAT RETAIN VALUABLE COMPONENTS FOUND IN FRUIT JUICES, SUCH AS POLYPHENOLS. THE AIM OF THIS STUDY WAS TO EVALUATE THE EFFECT OF CENTRIFUGATION-ASSISTED BLOCK FREEZE CONCENTRATION UNDER DIFFERENT FREEZING CONDITIONS ON POLYPHENOL RETENTION AND PHYSICOCHEMICAL PROPERTIES OF CRYOCONCENTRATED BLUEBERRY JUICE. AS THE CRYOCONCENTRATION CYCLES PROGRESSED, THE TOTAL POLYPHENOL AND MONOMER CONTENTS INCREASED SIGNIFICANTLY, WHICH WAS REFLECTED IN THE HIGH RETENTION PERCENTAGE (OVER 70%). THE COLOR EVALUATION SHOWED THAT THE FINAL CONCENTRATE WAS DARKER THAN THE INITIAL SAMPLE (DECREASED L* AND ?E* > 12). BASED ON THE PROCESS PARAMETERS, ?20 °C/UNIDIRECTIONAL WAS THE BEST FREEZING CONDITION IN TERMS OF EFFICIENCY (60%), PERCENTAGE OF CONCENTRATE (71%) AND SOLUTE YIELD (0.78 KG SOLUTE/KG INITIAL). THEREFORE, CENTRIFUGAL CRYOCONCENTRATION OF BLUEBERRY JUICE WAS EFFECTIVE IN OBTAINING A CRYOCONCENTRATE WITH HIGH RETENTION OF POLYPHENOL MONOMERS, AS WELL AS NOTABLE VALUES IN TERMS OF SOLUTES, COLOR AND PROCESS PARAMETERS.
dc.formatapplication/pdf
dc.identifier.doi10.1016/j.fbio.2017.10.006
dc.identifier.issn2212-4306
dc.identifier.issn2212-4292
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/9589
dc.languagespa
dc.publisherFOOD BIOSCIENCE
dc.relation.uri10.1016/j.fbio.2017.10.006
dc.rightsPUBLICADA
dc.titleIMPACT OF BLOCK CRYOCONCENTRATION ON POLYPHENOL RETENTION IN BLUEBERRY JUICE
dc.title.alternativeIMPACTO DE LA CRIOCONCENTRACIÓN EN BLOQUE EN LA RETENCIÓN DE POLIFENOLES EN EL JUGO DE ARÁNDANOS
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionRECTORIA
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA EN ALIMENTOS
ubb.SedeCONCEPCIÓN
ubb.SedeCHILLÁN
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