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Application of Hydralcoholic extracts of Salvia officinalis and Salvia elegans in cosmetic formulations

2020Conference object Open access
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dc.contributor.authorFavero, Yonah
dc.contributor.authorSilva, Laryssa da
dc.contributor.authorAlmeida, Daiana
dc.contributor.authorPereira, Olívia R.
dc.contributor.authorSousa, Maria João
dc.date.accessioned2020-06-16T15:24:10Z
dc.date.available2020-06-16T15:24:10Z
dc.date.issued2020
dc.description.abstractSalvia Officinalis and Salvia elegans are shrubs belonging to the genus Salvia, family of the Lamiaceae, easily found in the Mediterranean region, Mexico and Guatemala respectively. In addition to traditional medicine, S. officinalis is of great importance to the pharmaceutical, cosmetic and food industries. (Cuvelier et al., 1996; Martins et al., 1998 in Povh & Ono, 2008), whereas S. elegans is known in cooking as a preservative or flavoring (Pereira et al., 2014). Natural products have increased, discovering new therapeutic indications, meeting the demands of the world population taking into account their quality and safety. In this study, the focus is on phenolic compounds as an active ingredient in an anti-age formulation. Carbopol and methylcellulose-based gel was prepared together with Salvia officinalis and Salvia elegans hydroalcoholic extract as their active principle by performing physical-chemical, organoleptic gel stability tests and performing the eye irritability test (HET-CAM), beyond performing hydrodistillation at Clevenger. The essential oil was extracted by steam entrainment, yielding after 3 hours. The hydroalcoholic principle gels were prepared at three different concentrations, 1.25; 2.5 and 5%, and then tests were performed to evaluate the stability of the product obtained as: light cycles, freeze / thaw cycles, centrifugation and vortexing, pH determination, microbiological analysis and HET-CAM test. According to the results, the pH test showed changes for the two plants containing their gels but never exceeding the ideal limits for the skin, even when exposed to the light cycle, only the color that was changed after 15 days, in the different concentrations. In freezing / thawing tests for Salvia officinalis the methylcellulose gel did not change, the carbopol gel did change the appearance but small changes are acceptable as the samples are subjected to extreme heat (45 ° C) and cold temperatures. (-20 ° C). For Salvia elegans there was a change in appearance and pH, which was also changed in the methylcellulose gel. All pH changes do not lead to considerer the gel as inappropriate. In microbiological tests the oils have a moderate effect, while in the other tests there were no changes. Centrifugation and vortex tests were performed for both gels using both plants with only hydroalcoholic extract at different concentrations and there was no change. All gels had an alcoholic odor during the tests. It can be concluded that carbopol and methylcellulose gel do not appear to have any detrimental effects when used in this cosmetic product, even when used in conjunction with plant essential oil and can therefore be used as an anti-aging formulation. However, the development of more tests is extremely important as toxicity tests, but stability tests already have promising results.pt_PT
dc.description.sponsorshipThe authors thank the Science and Technology Foundation (FCT, Portugal) and the ERDF under the PT2020 Program for their financial support to CIMO UID/AGR/0069012019pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFavero, Yonah; Silva, Laryssa da; Almeida, Daiana Santos de; Pereira, Olívia R.; Sousa, Maria João (2020). Application of Hydralcoholic extracts of Salvia officinalis and Salvia elegans in cosmetic formulations. In 13th National Organic Chemistry Meeting e 6th National Medicinal Chemistry Meeting. Aveiropt_PT
dc.identifier.urihttp://hdl.handle.net/10198/22073
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.titleApplication of Hydralcoholic extracts of Salvia officinalis and Salvia elegans in cosmetic formulationspt_PT
dc.typeconference object
dspace.entity.typePublication
person.familyNameAlmeida
person.familyNamePereira
person.familyNameSousa
person.givenNameDaiana
person.givenNameOlívia R.
person.givenNameMaria João
person.identifier145216
person.identifier.ciencia-id981B-A49F-B535
person.identifier.ciencia-idB312-AF21-D2FA
person.identifier.ciencia-idD91E-3571-3979
person.identifier.orcid0000-0002-6511-3626
person.identifier.orcid0000-0002-6275-3134
person.identifier.orcid0000-0002-9946-4926
person.identifier.ridH-1049-2014
person.identifier.scopus-author-id52264387000
person.identifier.scopus-author-id55230282700
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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