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Valorization of Juglans regia leaves as cosmeceutical ingredients: bioactivity evaluation and final formulation development

2022Journal article Open access
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dc.contributor.authorBesrour, Nermine
dc.contributor.authorOludemi, Taofiq
dc.contributor.authorMandim, Filipa
dc.contributor.authorPereira, Carla
dc.contributor.authorDias, Maria Inês
dc.contributor.authorSoković, Marina
dc.contributor.authorStojković, Dejan
dc.contributor.authorFerreira, Olga
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorBarros, Lillian
dc.date.accessioned2022-05-18T10:44:09Z
dc.date.available2022-05-18T10:44:09Z
dc.date.issued2022
dc.description.abstractThe cosmetic industry is constantly searching for bioactive ingredients, namely, those obtained from natural sources with environmentally friendly connotations and less toxic effects. A previous study of our research group optimized the extraction of phenolic compounds from Juglans regia by heat-assisted extraction. Due to its richness in different phenolic compounds, the present work aimed to develop a formulation containing J. regia leaf extract. The extract’s antioxidant, anti-tyrosinase, antimicrobial, anti-inflammatory, wound healing, cytotoxicity, and photostability properties were evaluated. The extract was then incorporated into an O/W base cream, followed by characterization of the final formulation in terms of its antioxidant properties, phenolic composition, and stability over time and at different storage conditions. The most abundant compounds in the hydroethanolic extract were 3-O-caffeoylquinic acid (18.30 0.04 mg/g), quercetin-O-pentoside (9.64 0.06 mg/g), and quercetin 3-O-glucoside (6.70 0.19 mg/g). Besides those, the extract presented antioxidant, anti-inflammatory, wound closure, and antibacterial effects against several skin pathogens. In addition, HaCaT cell viability was maintained up to 98% at 400 g/mL.Within Proteus vulgaris-infected HaCaT cells, the extract also presented an over 40% bacterial mortality rate at its nontoxic concentration (200 g/mL). After incorporating the extract, the obtained formulation presented a good physicochemical profile over time and at different storage conditions while also maintaining its antioxidant effect; as such, it can be considered stable for topical application. Future work to evaluate its performance in terms of skin permeation and detailed toxicological studies with a focus on regulatory requirements, involving skin irritation, eye irritation, genotoxicity, photoirritation, and dermal absorption, should be conducted, as the prepared formulation demonstrated relevant properties that deserve to be further explored.pt_PT
dc.description.sponsorshipThis work was developed within the scope of the project AllNat—“Using natural deep eutectic solvents for the extraction of bioactive compounds from plant material” (reference POCI-01- 0145-FEDER-030463, PTDC/EQU-EPQ/30463/2017), funded by FEDER funds through COMPETE2020—Programa Operacional Competitividade e Internacionalização (POCI), Portugal 2020, and by national funds through the Foundation for Science and Technology (FCT/MCTES). The authors are also grateful to the Foundation for Science and Technology (FCT, Portugal) for the financial support through national funds FCT/MCTES to the CIMO (UIDB/00690/2020). L. Barros, C. Pereira, and M. I. Dias are grateful to FCT P.I. for their contracts through the institutional scientific employment program. F. Mandim is grateful to FCT for her PhD grant (SFRH/BD/146614/2019). This work was also supported by MICINN for the Juan de la Cierva Formación contract for T. Oludemi (FJC2019-042549-I). This research was also funded by the Serbian Ministry of Education, Science and Technological Development (Contract No. 451–03-9/2021–14/200007).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBesrour, Nermine; Oludemi, Taofiq; Mandim, Filipa; Pereira, Carla; Dias, Maria Inês; Soković, Marina; Stojković, Dejan; Ferreira, Olga; Ferreira, Isabel C.F.R.; Barros, Lillian (2022). Valorization of Juglans regia leaves as cosmeceutical ingredients: bioactivity evaluation and final formulation development. Antioxidants. EISSN 2076-3921. 11:4, p. 1-19pt_PT
dc.identifier.doi10.3390/antiox11040677pt_PT
dc.identifier.eissn2076-3921
dc.identifier.urihttp://hdl.handle.net/10198/25483
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationMountain Research Center
dc.relationIntegrated strategies for the development of a novel functional beverage with sustainable production systems
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectJuglans regiapt_PT
dc.subjectPhenolic compoundspt_PT
dc.subjectCosmeceuticalspt_PT
dc.subjectBioactivitypt_PT
dc.titleValorization of Juglans regia leaves as cosmeceutical ingredients: bioactivity evaluation and final formulation developmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleIntegrated strategies for the development of a novel functional beverage with sustainable production systems
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FEQU-EPQ%2F30463%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F146614%2F2019/PT
oaire.citation.issue4pt_PT
oaire.citation.startPage677pt_PT
oaire.citation.titleAntioxidantspt_PT
oaire.citation.volume11pt_PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
person.familyNameOludemi
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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