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Spirulina (Arthrospira platensis) protein-rich extract as a natural emulsifier for oil-in-water emulsions: optimization through a sequential experimental design strategy

2022Journal article Open access
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dc.contributor.authorSilva, Samara Cristina
dc.contributor.authorAlmeida, Thayná Domingues
dc.contributor.authorColucci, Giovana
dc.contributor.authorSantamaria-Echart, Arantzazu
dc.contributor.authorManrique, Yaidelin A.
dc.contributor.authorDias, Madalena M.
dc.contributor.authorBarros, Lillian
dc.contributor.authorFernandes, Ângela
dc.contributor.authorColla, Eliane
dc.contributor.authorBarreiro, M.F.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-03-18T14:49:08Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-03-18T14:49:08Z
dc.date.issued2022
dc.description.abstractSpirulina (Arthrospira platensis) proteins have been proven to present emulsifying properties. In this work, a Spirulina protein-rich extract obtained by ultrasound extraction (SpE) was tested to stabilize oil-in-water (O/W) emulsions. For this purpose, a sequential experimental design strategy (Fractional Factorial Design (FFD) 24–1 followed by a Central Composite Rotatable Design (CCRD) 22)) was applied. The effect of four variables, SpE concentration, O/W weight ratio, pH and storage time, on emulsions’ zeta potential and number-mean droplet diameter was considered for the FFD 24–1, indicating SpE concentration and storage time as the relevant variables for the CCRD 22. According to zeta potential and number-mean droplet diameter evaluation, for the studied SpE concentration range (2–5 wt%), quite stable emulsions were obtained along the tested 30-days period. Even so, for 5%, visual inspection revealed extract segregation after 20-days. The optimal solution comprised 4 wt% of SpE, for an O/W weight ratio of 30/70 and a pH of 7.0 (number-mean droplet diameter of 55.66 nm and zeta potential of -43.83 mV). Overall, SpE has proven to be an excellent emulsifier, offering the potential to substitute animal-based proteins and synthetic emulsifiers. In addition, no signs of contamination by microorganisms were observed, suggesting that the SpE may also act as an antimicrobial agent.en_EN
dc.description.sponsorshipCIMO (Centro de Investigação de Montanha, Portugal) (UIDB/00690/2020), LSRE-LCM (Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials, Portugal) (UIDB/50020/2020; UIDP/50020/2020), and ALiCE (Associate Laboratory in Chemical Engineering, Portugal) (LA/P/0045/2020), funded by national funds through Fundação para Ciência e a Tecnologia/Ministério da Ciência, Tecnologia e Ensino Superior (FCT/MCTES) (PIDDAC). National funding by Fundação para a Ciência e a Tecnologia (FCT) (Portugal), P.I., through the institutional scientific employment program contract with A. Santamaria-Echart, L. Barros, and A. Fernandes. FCT for the PhD research grant of Samara Cristina da Silva (SFRH/BD/148281/2019) and Giovana Colucci (2021. 05215. BD).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationGonzález-Arias, Judith; Sánchez, Marta Elena; Martínez, Elia Judith; Covalski, Camila; Alonso-Simón, Ana; González, Rubén; Cara-Jiménez, Jorge (2020). Hydrothermal carbonization of olive tree pruning as a sustainableway for improving biomass energy potential: Effect of reaction parameters on fuel properties. Processes. ISSN . 8:10, p.en_EN
dc.identifier.doi10.1016/j.colsurfa.2022.129264en_EN
dc.identifier.eissn1873-4359
dc.identifier.issn0927-7757
dc.identifier.urihttp://hdl.handle.net/10198/23349
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.publisherElsevier
dc.relationLA/P/0045/2020
dc.relationLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
dc.relationLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
dc.relationDevelopment of an integrated approach to produce phycocyanin and valorize co-bioproducts from Spirulina Arthrospira platensis
dc.subjectMicroalgal proteinsen_EN
dc.subjectProtein-rich extracten_EN
dc.subjectOil-in-water emulsionsen_EN
dc.subjectProtein-stabilized emulsionsen_EN
dc.subjectExperimental designen_EN
dc.titleSpirulina (Arthrospira platensis) protein-rich extract as a natural emulsifier for oil-in-water emulsions: optimization through a sequential experimental design strategyen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
oaire.awardTitleLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
oaire.awardTitleDevelopment of an integrated approach to produce phycocyanin and valorize co-bioproducts from Spirulina Arthrospira platensis
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50020%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50020%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBD%2F148281%2F2019/PT
oaire.citation.titleColloids and Surfaces A: Physicochemical and Engineering Aspects
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamPOR_NORTE
person.familyNameColucci
person.familyNameSantamaria-Echart
person.familyNameBarros
person.familyNameFernandes
person.familyNameBarreiro
person.givenNameGiovana
person.givenNameArantzazu
person.givenNameLillian
person.givenNameÂngela
person.givenNameFilomena
person.identifier469085
person.identifier.ciencia-id7C17-EC19-5F05
person.identifier.ciencia-id0C17-1E1F-2621
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id2015-0434-AE7C
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person.identifier.orcid0000-0002-8715-5843
person.identifier.orcid0000-0003-0107-7301
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0002-0157-9873
person.identifier.orcid0000-0002-6844-333X
person.identifier.ridJ-3600-2013
person.identifier.ridL-9802-2014
person.identifier.scopus-author-id56725697700
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id57188719717
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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