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Drying microalgae using an industrial solar dryer: a biomass quality assessment

2022-06-24Journal article Open access
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dc.contributor.authorSchmid, Benjamin
dc.contributor.authorNavalho, Sofia
dc.contributor.authorSchulze, Peter S.C.
dc.contributor.authorVan De Walle, Simon
dc.contributor.authorVan Royen, Geert
dc.contributor.authorSchüler, Lisa M.
dc.contributor.authorMaia, Inês Beatriz
dc.contributor.authorBastos, Carolina
dc.contributor.authorBaune, Marie-Christin
dc.contributor.authorJanuschewski, Edwin
dc.contributor.authorCoelho, Ana
dc.contributor.authorPereira, Hugo
dc.contributor.authorVarela, João
dc.contributor.authorNavalho, João
dc.contributor.authorRodrigues, Alexandre Miguel Cavaco
dc.date.accessioned2022-07-15T09:49:24Z
dc.date.available2022-07-15T09:49:24Z
dc.date.issued2022-06-24
dc.date.updated2022-07-08T11:55:14Z
dc.description.abstractMicroalgae are considered a promising resource of proteins, lipids, carbohydrates, and other functional biomolecules for food and feed markets. Competitive drying solutions are required to meet future demands for high-quality algal biomass while ensuring proper preservation at reduced costs. Since often used drying methods, such as freeze or spray drying, are energy and time consuming, more sustainable processes remain to be developed. This study tested an indirect and hybrid solar dryer as an alternative to conventional freeze drying of industrially produced Tetraselmis chui and Nannochloropsis oceanica wet paste. The effects of the drying method on biomass quality parameters, including biochemical profiles, functional properties, and microbial safety, were assessed. No significant differences were found between the applied drying technologies for total proteins, carbohydrates, lipids, and fatty acid profiles. On the other hand, some pigments showed significant differences, displaying up to 44.5% higher contents in freeze-dried samples. Minor differences were also registered in the mineral profiles (<10%). Analyses of microbial safety and functional properties of the solar-dried biomass appear adequate for food and feed products. In conclusion, industrial solar drying is a sustainable technology with a high potential to preserve high-quality microalgal biomass for various markets at expected lower costs.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFoods 11 (13): 1873 (2022)pt_PT
dc.identifier.doi10.3390/foods11131873pt_PT
dc.identifier.eissn2304-8158
dc.identifier.urihttp://hdl.handle.net/10400.1/18009
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationMICROALGAE PROTEIN INGREDIENTS FOR THE FOOD AND FEED OF THE FUTURE
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMicroalgaept_PT
dc.subjectSolar dryingpt_PT
dc.subjectFreeze dryingpt_PT
dc.subjectProteinspt_PT
dc.subjectPigmentspt_PT
dc.subjectFatty acidspt_PT
dc.titleDrying microalgae using an industrial solar dryer: a biomass quality assessmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMICROALGAE PROTEIN INGREDIENTS FOR THE FOOD AND FEED OF THE FUTURE
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/862980/EU
oaire.citation.issue13pt_PT
oaire.citation.startPage1873pt_PT
oaire.citation.titleFoodspt_PT
oaire.citation.volume11pt_PT
oaire.fundingStreamH2020
person.familyNameSchmid
person.familyNameNavalho
person.familyNameSchulze
person.familyNameSchüler
person.familyNameMaia
person.familyNamePereira
person.familyNameEsteves Lopes Navalho
person.familyNameRodrigues
person.givenNameBenjamin
person.givenNameSofia
person.givenNamePeter S.C.
person.givenNameLisa
person.givenNameInês Beatriz
person.givenNameHugo
person.givenNameJoão Carlos
person.givenNameAlexandre
person.identifier2291494
person.identifier282781
person.identifier2241843
person.identifier.ciencia-id7711-2228-F49F
person.identifier.ciencia-idF41E-3B55-577C
person.identifier.ciencia-idE01F-9B43-4F24
person.identifier.ciencia-idE017-3A05-FF0A
person.identifier.ciencia-id331E-84FD-2F34
person.identifier.ciencia-id4A17-EDF9-0BC3
person.identifier.ciencia-id4314-93A1-6D5B
person.identifier.orcid0000-0001-6975-8387
person.identifier.orcid0000-0001-9380-4945
person.identifier.orcid0000-0003-3777-8732
person.identifier.orcid0000-0003-0961-5397
person.identifier.orcid0000-0002-7509-2216
person.identifier.orcid0000-0002-1369-2099
person.identifier.orcid0000-0003-2525-1386
person.identifier.ridE-9360-2015
person.identifier.scopus-author-id57572680900
person.identifier.scopus-author-id56244247100
person.identifier.scopus-author-id54080259900
person.identifier.scopus-author-id55152522700
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isProjectOfPublication5720d767-69bd-4094-8240-e012bf20766c
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