Publicación:
COMPREHENSIVE TWO-DIMENSIOL GAS CHROMATOGRAPHY AND THREE-DIMENSIONAL FLUOROMETRY FOR DETECTION OF VOLATILE AND BIOACTIVE SUSTANCES IN SOME BERRIES

dc.creatorPATRICIA EUGENIA PAULINA ARANCIBIA ÁVILA
dc.creatorJOSÉ FERNANDO TOLEDO MONTIEL
dc.date2015
dc.date.accessioned2025-01-10T14:34:47Z
dc.date.available2025-01-10T14:34:47Z
dc.date.issued2015
dc.description.abstractTHE VOLATILE FRACTIONS OF CAPE GOOSEBERRY AND BLUEBERRY WERE DETERMINED BY HEADSPACE SOLID-PHASE MICROEXTRACTION COUPLED WITH COMPREHENSIVE TWO-DIMENSIONAL GAS CHROMATOGRAPHY WITH TIME-OF-FLIGHT MASS SPECTROMETRY (HS-SPME/GC×GC-TOFMS). THE HIGHEST AMOUNT OF ALCOHOL (51.8%), ESTER (32.8%) AND CARBOXYLIC ACID (6.9%) WAS IN BLUEBERRY IN COMPARISON WITH GOOSEBERRY AND OPPOSITELY KETONES (14.7%), ALDEHYDES (9.9%) AND TERPENES (8%) WERE FOUND IN GOOSEBERRY. THE BIOACTIVE COMPOUNDS AND ANTIOXIDANT CAPACITIES WERE HIGHER IN BLUEBERRIES THAN IN GOOSEBERRIES. THREE DIMENSIONAL FLUORESCENCE EMISSION SPECTROMETRY (3D-FL) WAS APPLIED TO DETERMINE AND TO COMPARE EXPERIMENTALLY FOUND BINDING PARAMETERS OF BERRIES EXTRACTS WITH HUMAN SERUM ALBUMIN (HSA). THE FLUORESCENCE QUENCHING OF HSA BY POLYPHENOLS FROM BERRIES WAS A RESULT OF THE FORMATION OF A POLYPHENOL?HSA COMPLEX. THE BINDING ABILITIES OF BERRIES WERE HIGHLY CORRELATED WITH THE BIOACTIVITY OF POLYPHENOLS AND VOLATILE SUBSTANCES. THE CLUSTER ANALYSIS (CA) AND LINEAR DISCRIMINANT ANALYSIS (LDA) WAS APPLIED TO DIFFERENTIATE THE BERRIES SAMPLES ACCORDING TO THEIR TYPE.
dc.formatapplication/pdf
dc.identifier.doi10.1016/j.talanta.2014.11.061
dc.identifier.issn1873-3573
dc.identifier.issn0039-9140
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/8043
dc.languagespa
dc.publisherTALANTA
dc.relation.uri10.1016/j.talanta.2014.11.061
dc.rightsPUBLICADA
dc.subjectVOLATILE SUBSTANCES
dc.subjectTWO-DIMENSIONAL GAS CHROMATOGRAPHY
dc.subjectTHREE-DIMENSIONAL FLUORESCENCE SPECTROSCOPY
dc.subjectBIOACTIVITY
dc.titleCOMPREHENSIVE TWO-DIMENSIOL GAS CHROMATOGRAPHY AND THREE-DIMENSIONAL FLUOROMETRY FOR DETECTION OF VOLATILE AND BIOACTIVE SUSTANCES IN SOME BERRIES
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE CIENCIAS BASICAS
ubb.Otra ReparticionDEPARTAMENTO DE CIENCIAS BASICAS
ubb.SedeCHILLÁN
ubb.SedeCHILLÁN
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