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The cherry drying as a complementary conservation process to conservation in cold

2016Journal article Open access
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dc.contributor.authorNunes, José
dc.contributor.authorSilva, Pedro Dinho da
dc.contributor.authorPires, Luís
dc.contributor.authorGaspar, Pedro Dinis
dc.contributor.authorAndrade, Luís P.
dc.date.accessioned2019-10-24T10:43:36Z
dc.date.available2019-10-24T10:43:36Z
dc.date.issued2016
dc.description.abstractCherry is greatly enjoyed by consumers because of its excellent organoleptic and nutritional characteristics. This fruit is of the non-climacteric type, which forces its immediate commercialization after harvesting or else it should be properly conserved in cold. Every year there is a big waste of fresh cherry because he could not be marketed before deteriorating both in cooling chambers, or even in their own cherry trees due to a rapid ripening. In this project, the process of making cherry raisins is studied so as to provide increased use of fresh cherry. For that purpose, three different processes of dehydration of fresh cherry have been used, such as freeze drying, hot-air drying and solar drying. Three types of samples of pitted cherries were also used - natural cherry, blanching cherry and bleaching cherry with osmotic solution of fructose. In order to assess the performance of the dryers the curves of drying rate were determined and to assess the quality of the cherry raisins, fundamental parameters were determined, namely moisture content, water activity (aw), texture, total soluble solids and total acidity. The results show that the drying rate of cherry samples is similar in the lyophilizer and hot air dryer, and yet faster in the latter. The dryer with lower rate drying and hence with higher drying time was the solar dryer. The characteristics of the cherry raisins depend on the type of dryer used and the pre-treatment used. The blanching pretreatment proved to be the most suitable. Regarding dryers, the solar dryer provided good quality cherry raisins, showing great potential at industrial level with the advantage of not consuming energy.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/7361
dc.language.isoengpt_PT
dc.publisherVIII Iberian Congress | VI Ibero-American Congress of Refrigeration Sciences and Technologies (CYTEF 2016)pt_PT
dc.subjectFreeze dryingpt_PT
dc.subjectHot air dryingpt_PT
dc.subjectSolar dryerspt_PT
dc.subjectCherry raisinspt_PT
dc.titleThe cherry drying as a complementary conservation process to conservation in coldpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceCoimbrapt_PT
oaire.citation.titleVI Ibero-American Congress of Refrigeration Sciences and Technologiespt_PT
person.familyNameSilva
person.familyNamePires
person.familyNameGaspar
person.givenNamePedro
person.givenNameLuís
person.givenNamePedro Dinis
person.identifier974218
person.identifier.ciencia-id3C14-B985-13A1
person.identifier.ciencia-id7617-D1CB-5F80
person.identifier.ciencia-id6111-9F05-2916
person.identifier.orcid0000-0003-2204-3397
person.identifier.orcid0000-0001-7964-4623
person.identifier.orcid0000-0003-1691-1709
person.identifier.ridA-6638-2016
person.identifier.ridN-3016-2013
person.identifier.scopus-author-id7203088999
person.identifier.scopus-author-id7006556579
person.identifier.scopus-author-id57419570900
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication483bd890-f402-4ce4-b740-b37febcba37f
relation.isAuthorOfPublicationb236d204-15b8-4013-927d-98133dd6ae25
relation.isAuthorOfPublicationb69e2ba0-43af-4cf7-873e-090fd9fc6c94
relation.isAuthorOfPublication.latestForDiscovery483bd890-f402-4ce4-b740-b37febcba37f

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