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Evaluation of saponin-rich extracts as natural alternative emulsifiers: A comparative study with pure Quillaja Bark saponin

2021Artigo científico Acesso aberto
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dc.contributor.authorSchreiner, Tatiana B.
dc.contributor.authorColucci, Giovana
dc.contributor.authorSantamaria-Echart, Arantzazu
dc.contributor.authorFernandes, Isabel P.
dc.contributor.authorDias, Madalena M.
dc.contributor.authorPinho, Simão
dc.contributor.authorBarreiro, M.F.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-23T09:40:04Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-23T09:40:04Z
dc.date.issued2021
dc.description.abstractDue to synthetic surfactants' environmental impact, their replacement by natural alternatives has gained relevance, with saponins emerging as sustainable approaches. In this work, three saponin-rich extracts from different sources (Tribulus terrestris (TT), Trigonella foenum-graecum (FG), and Ruscus aculeatus (RA)) were tested as emulsifiers, and their performance compared with Quillaja Bark saponin (PS). Characterisation comprised FTIR, solubility studies, CMC assays, and emulsifying properties (emulsifying capacity (EC) and foaming capacity (FC)). For all samples, solubility assays indicated high solubility in water and low in apolar solvents (e.g., n-hexane), compatible with their O/W emulsifier character. In general, the saponin content ruled extracts' performance (PS > TT > FG > RA). EC values (without pH adjustment) were found to be 82.5, 55.0, 47.5, 36.3%, respectively. When pH changed for 7 and 9, a shift in FG and RA order was observed. The pseudo-ternary diagrams, constructed to map emulsion's composition zones, indicate the formation of single-phase systems in the region of low oil and high extract content. Except for RA extract, gel samples were formed, which are interesting technological solutions for several applications. Among the studied samples, and in alternative to PS, TT extract showed the best performance.en_EN
dc.description.sponsorshipThis work was financially supported by: Base Funding – UIDB/00690/2020 of CIMO – Centro de Investigação de Montanha – funded by national funds through FCT/MCTES (PIDDAC), Base Funding – UIDB/50020/2020 of the Associate Laboratory LSRE-LCM – funded by national funds through FCT/MCTES (PIDDAC), and project AIProcMat@ N2020 – NORTE-01-0145-FEDER 000006 supported by NORTE 2020 under the Portugal 2020 Partnership Agreement, through ERDF. National funding by FCT, Foundation for Science and Technology, through the individual research Grant 2020.05564. BD of Tatiana La Banca Schreiner. FCT, PI, through the institutional scientific employment program-contract for I.P. Fernandes contract through the celebration of program-contract foreseen in No. 4, 5 and 6 of article 23º of Decree-Law No. 57/2016, of 29th August, amended by Law No. 57/ 2017, of 19th July.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationSchreiner, Tatiana B.; Colucci, Giovana; Santamaria-Echart, Arantzazu; Fernandes, Isabel P.; Dias, Madalena M.; Pinho, Simão P.; Barreiro, Maria Filomena (2021). Evaluation of saponin-rich extracts as natural alternative emulsifiers: A comparative study with pure Quillaja Bark saponin. Colloids and Surfaces A: Physicochemical and Engineering Aspects. ISSN 0927-7757. 623, p. 1-13en_EN
dc.identifier.doi10.1016/j.colsurfa.2021.126748en_EN
dc.identifier.issn0927-7757
dc.identifier.urihttp://hdl.handle.net/10198/24300
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationMountain Research Center
dc.relationLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
dc.subjectEmulsifying propertiesen_EN
dc.subjectPlant extractsen_EN
dc.subjectRuscus aculeatusen_EN
dc.subjectSaponinen_EN
dc.subjectTribulus terrestrisen_EN
dc.subjectTrigonella foenum-graecumen_EN
dc.titleEvaluation of saponin-rich extracts as natural alternative emulsifiers: A comparative study with pure Quillaja Bark saponinen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/00690/2020
oaire.awardNumberUIDB/50020/2020
oaire.awardTitleMountain Research Center
oaire.awardTitleLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50020%2F2020/PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameSchreiner
person.familyNameColucci
person.familyNameSantamaria-Echart
person.familyNameFernandes
person.familyNamePinho
person.familyNameBarreiro
person.givenNameTatiana B.
person.givenNameGiovana
person.givenNameArantzazu
person.givenNameIsabel P.
person.givenNameSimão
person.givenNameFilomena
person.identifier810882
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person.identifier.orcid0000-0001-8436-9216
person.identifier.orcid0000-0002-8715-5843
person.identifier.orcid0000-0003-0107-7301
person.identifier.orcid0000-0002-0069-4503
person.identifier.orcid0000-0002-9211-857X
person.identifier.orcid0000-0002-6844-333X
person.identifier.ridL-1552-2016
person.identifier.ridD-4148-2013
person.identifier.ridL-9802-2014
person.identifier.scopus-author-id56725697700
person.identifier.scopus-author-id26323585300
person.identifier.scopus-author-id7003570175
person.identifier.scopus-author-id57188719717
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
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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