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Pulsed electric field pre-treatment for apple juice extraction: Evaluation of monopolar and bipolar pulses effects

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dc.contributor.authorBrito, Paula S.
dc.contributor.authorCanacsinh, Hiren
dc.contributor.authorMendes, João
dc.contributor.authorLuis Redondo
dc.contributor.authorPereira, Marcos Teotónio
dc.date.accessioned2015-09-11T09:09:29Z
dc.date.available2015-09-11T09:09:29Z
dc.date.issued2012
dc.description.abstractAdditional apple juice extraction with pulsed electric field pretreated apple cubes towards control samples is evaluated. Monopolar and bipolar shaped pulses are compared and their effect is studied with variation of electric field, pulse width and number of pulses. Variation of electric field strength is ranged from 100 V/cm to 1300 V/cm, pulse width from 20 mu s to 300 mu s and number of pulses from 10 to 200, at frequency of 200Hz. Two pulse trains separated by 1 second are applied to all samples. Bipolar pulses showed higher apple juice yields with all studied parameters. Calculation of specific energies consumed was assessed and a threshold where higher energy inputs do not increase juice yield is found for a number of used parameters. Qualitative parameters of total soluble matter (Brix) and absorbance at 390 nm wavelength were determined for each sample and results show that no substantial differences are found for PEF pre-treated and control samples.por
dc.identifier.citationBRITO, P. S., [et al] – Pulsed electric field pre-treatment for apple juice extraction: Evaluation of monopolar and bipolar pulses effects. In Proceedings of the 2012 IEEE International Power Modulator and High Voltage Conference. IEEE, 2012. Pp. 92-97por
dc.identifier.isbn978-1-4673-1225-7
dc.identifier.urihttp://hdl.handle.net/10400.21/5176
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherIEEEpor
dc.subjectBipolar Pulsespor
dc.subjectMonopolar Pulsespor
dc.subjectJuice Extractionpor
dc.subjectPulsed Electric Fieldspor
dc.titlePulsed electric field pre-treatment for apple juice extraction: Evaluation of monopolar and bipolar pulses effectspor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.endPage97por
oaire.citation.startPage92por
oaire.citation.titleProceedings of the 2012 IEEE International Power Modulator and High Voltage Conferencepor
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.typeconferenceObjectpor
relation.isAuthorOfPublication3e5019e7-e744-49ad-ba1c-7facbb93935d
relation.isAuthorOfPublication1d3e3435-66c8-4d32-8ffc-d5798a8533a4
relation.isAuthorOfPublication.latestForDiscovery1d3e3435-66c8-4d32-8ffc-d5798a8533a4

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ISEL - Eng. Electrotécn. - Comunicações