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Development of water-in-oil emulsions as delivery vehicles and testing with a natural antimicrobial extract

2020Journal article Open access
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dc.contributor.authorColucci, Giovana
dc.contributor.authorSantamaria-Echart, Arantzazu
dc.contributor.authorSilva, Samara Cristina
dc.contributor.authorFernandes, Isabel P.
dc.contributor.authorSipoli, Caroline C.
dc.contributor.authorBarreiro, M.F.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-06-22T10:18:27Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-06-22T10:18:27Z
dc.date.issued2020
dc.description.abstractWater-in-oil (W/O) emulsions have high potential for several industrial areas as delivery systems of hydrophilic compounds. In general, they are less studied than oil-in-water (O/W) systems, namely in what concerns the so-called fluid systems, partly due to problems of instability. In this context, this work aimed to produce stable W/O emulsions from a natural oil, sweet almond oil, to be further tested as vehicles of natural hydrophilic extracts, here exemplified with an aqueous cinnamon extract. Firstly, a baseW/O emulsion using a high-water content (40/60, v/v) was developed by testing di erent mixtures of emulsifiers, namely Tween 80 combined with Span 80 or Span 85 at di erent contents. Among the tested systems, the one using a 54/46 (v/v) Span 80/Tween 80 mixture, and subjected to 12 high-pressure homogenizer (HPH) cycles, revealed to be stable up to 6 months, being chosen for the subsequent functionalization tests with cinnamon extract (1.25–5%; w/v; water-basis). The presence of cinnamon extract leaded to changes in the microstructure as well as in the stability. The antimicrobial and antioxidant analysis were evidenced, and a sustained behavior compatible with an extract distribution within the two phases, oil and water, in particular for the higher extract concentration, was observed.
dc.description.sponsorshipBase Funding—UIDB/00690/2020 of CIMO—Mountain Research Center—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).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationColucci, Giovana; Santamaria-Echart, Arantzazu; Silva, Samara C.; Fernandes, Isabel P.M.; Sipoli, Caroline C.; Barreiro, Maria F. (2020). Development of water-in-oil emulsions as delivery vehicles and testing with a natural antimicrobial extract. Molecules. ISSN1420-3049. 25:9, p. 1-15en_EN
dc.identifier.doi10.3390/molecules25092105en_EN
dc.identifier.urihttp://hdl.handle.net/10198/22304
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectCinnamon extracten_EN
dc.subjectEmulsionsen_EN
dc.subjectHydrophilic extractsen_EN
dc.subjectNatural compoundsen_EN
dc.subjectSweet almond oilen_EN
dc.subjectWater-in-oilen_EN
dc.titleDevelopment of water-in-oil emulsions as delivery vehicles and testing with a natural antimicrobial extracten_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameColucci
person.familyNameSantamaria-Echart
person.familyNameFernandes
person.familyNameBarreiro
person.givenNameGiovana
person.givenNameArantzazu
person.givenNameIsabel P.
person.givenNameFilomena
person.identifier.ciencia-id7C17-EC19-5F05
person.identifier.ciencia-id0C17-1E1F-2621
person.identifier.ciencia-id4D1C-441F-C7F0
person.identifier.ciencia-id3418-47D5-5746
person.identifier.orcid0000-0002-8715-5843
person.identifier.orcid0000-0003-0107-7301
person.identifier.orcid0000-0002-0069-4503
person.identifier.orcid0000-0002-6844-333X
person.identifier.ridL-1552-2016
person.identifier.ridL-9802-2014
person.identifier.scopus-author-id56725697700
person.identifier.scopus-author-id26323585300
person.identifier.scopus-author-id57188719717
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication83d03823-c1ee-4787-a3a7-0d7f7046579e
relation.isAuthorOfPublicationeb945e05-928f-45cb-ac27-04b4159ae31a
relation.isAuthorOfPublicationaa1919bb-c35d-4abb-a137-10d998ad4eca
relation.isAuthorOfPublication0391987c-ba90-488b-839a-153447ce1f0f
relation.isAuthorOfPublication.latestForDiscoveryaa1919bb-c35d-4abb-a137-10d998ad4eca

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