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Comparison between monopolar and bipolar microsecond range pulsed electric fields in enhancement of apple juice extraction

2012-10Journal article Restricted access
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dc.contributor.authorBrito, Paula S.
dc.contributor.authorCanacsinh, Hiren
dc.contributor.authorMendes, João Paulo
dc.contributor.authorLuis Redondo
dc.contributor.authorPereira, Marco Teotónio
dc.date.accessioned2015-09-11T08:38:45Z
dc.date.available2015-09-11T08:38:45Z
dc.date.issued2012-10
dc.description.abstractThe effect of monopolar and bipolar shaped pulses in additional yield of apple juice extraction is evaluated. The applied electric field strength, pulsewidth, and number of pulses are assessed for both pulse types, and divergences are analyzed. Variation of electric field strength is ranged from 100 to 1300 V/cm, pulsewidth from 20 to 300 mu s, and the number of pulses from 10 to 200, at a frequency of 200 Hz. Two pulse trains separated by 1 s are applied to apple cubes. Results are plotted against reference untreated samples for all assays. Specific energy consumption is calculated for each experiment as well as qualitative indicators for apple juice of total soluble dry matter and absorbance at 390-nm wavelength. Bipolar pulses demonstrated higher efficiency, and specific energetic consumption has a threshold where higher inputs of energy do not result in higher juice extraction when electric field variation is applied. Total soluble dry matter and absorbance results do not illustrate significant differences between application of monopolar and bipolar pulses, but all values are inside the limits proposed for apple juice intended for human consumption.por
dc.identifier.citationBRITO, P. S.; [et al] – Comparison between monopolar and bipolar microsecond range pulsed electric fields in enhancement of apple juice extraction. IEEE Transactions on Plasma Science. ISSN: 0093-3813. Vol. 40, nr. 10 (2012), pp. 2348-2354por
dc.identifier.issn0093-3813
dc.identifier.urihttp://hdl.handle.net/10400.21/5166
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherIEEEpor
dc.subjectBipolar Pulsespor
dc.subjectJuice Extractionpor
dc.subjectMonopolar Pulsespor
dc.subjectPulsed Electric Fields (PEFs)por
dc.subjectCell-membrane electropermeabilization
dc.subjectRectangular pulses
dc.subjectLiquid foods
dc.subjectElectrochemotheraphy
dc.subjectElectroporation
dc.subjectInactivation
dc.subjectExpression
dc.subjectQuality
dc.subjectTissues
dc.titleComparison between monopolar and bipolar microsecond range pulsed electric fields in enhancement of apple juice extractionpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage2354por
oaire.citation.issue10por
oaire.citation.startPage2348por
oaire.citation.titleIEEE Transactions on Plasma Sciencepor
oaire.citation.volume40por
person.familyNameCanacsinh
person.familyNameRedondo
person.givenNameHiren
person.givenNameLuis
person.identifier1017796
person.identifier1017419
person.identifier.ciencia-id1E13-A798-9EA2
person.identifier.ciencia-id5E13-9730-4651
person.identifier.orcid0000-0002-7531-5459
person.identifier.orcid0000-0002-2381-4627
person.identifier.ridA-3078-2009
person.identifier.scopus-author-id7003990641
rcaap.rightsclosedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication3e5019e7-e744-49ad-ba1c-7facbb93935d
relation.isAuthorOfPublication1d3e3435-66c8-4d32-8ffc-d5798a8533a4
relation.isAuthorOfPublication.latestForDiscovery3e5019e7-e744-49ad-ba1c-7facbb93935d

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