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Development of Polymeric Micelles of Oleanolic Acid and Evaluation of Their Clinical Efficacy

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dc.contributor.authorAn, J.Y.-
dc.contributor.authorYang, H.S.-
dc.contributor.authorPark, N.R.-
dc.contributor.authorKoo, T.-S.-
dc.contributor.authorShin, B.-
dc.contributor.authorLee, E.H.-
dc.contributor.authorCho, S.H.-
dc.date.accessioned2021-08-31T19:28:47Z-
dc.date.available2021-08-31T19:28:47Z-
dc.date.created2021-06-17-
dc.date.issued2020-
dc.identifier.issn1931-7573-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/60798-
dc.description.abstractOleanolic acid has been used only as a subsidiary agent in cosmetic products. The aim of the study is to show the effect of oleanolic acid as an active ingredient for the alleviation of wrinkles in humans and to develop a polymeric micelle formulation that enables poorly soluble oleanolic acid to be used as a main ingredient in cosmetic products for reducing wrinkles. The solubility of oleanolic acid was evaluated in solubilizers, surfactants, and polymers. The particle sizes and shapes of polymeric micelles containing oleanolic acid were evaluated by electrophoretic light scattering spectrophotometer and scanning electron cryomicroscopy. Encapsulation efficiency and skin permeation were measured by HPLC. Stability of the polymeric micelles stored at 40 °C for 3 months was evaluated by visual observation, particle size measurement, and oleanolic acid content measurement. Polymeric micelles in final product ampoule form were applied around the eyes of 23 female subjects for 8 weeks. Five skin parameters were evaluated by optical profilometry every 4 weeks for 8 weeks. In addition, professionals made visual observations of the skin and a human skin irritation study was conducted. Polymeric micelles of oleanolic acid with a particle size of less than 100 nm were prepared using Capryol 90® and poloxamer. The skin permeation rate of the oleanolic acid in the polymeric micelles was higher than that in the other solutions made of oleanolic acid dispersed in 2 different surfactants. No significant changes in particle size, color, or oleanolic acid content were observed, and the polymeric micelles stored at 40 °C for 3 months did not undergo phase separation. After 8 weeks of application, skin irritation had not developed and all five parameters evaluated by optical profilometry as well as the visual evaluation scores were significantly improved. This study showed that the polymeric micelles of oleanolic acid prepared in this study were stable and effective at alleviating wrinkles in humans as the principal active ingredient. Based on these findings, it is expected that polymeric micelles of oleanolic acid can be widely used in cosmetic applications. © 2020, The Author(s).-
dc.languageEnglish-
dc.language.isoen-
dc.publisherSpringer-
dc.subjectCarboxylic acids-
dc.subjectCosmetics-
dc.subjectLight scattering-
dc.subjectMicelles-
dc.subjectParticle size-
dc.subjectPetroleum reservoir evaluation-
dc.subjectPhase separation-
dc.subjectProfilometry-
dc.subjectSurface active agents-
dc.subjectActive ingredients-
dc.subjectElectrophoretic light scattering-
dc.subjectEncapsulation efficiency-
dc.subjectOptical profilometry-
dc.subjectParticle size measurement-
dc.subjectScanning electrons-
dc.subjectVisual evaluation-
dc.subjectVisual observations-
dc.subjectPolymers-
dc.titleDevelopment of Polymeric Micelles of Oleanolic Acid and Evaluation of Their Clinical Efficacy-
dc.typeArticle-
dc.contributor.affiliatedAuthorLee, E.H.-
dc.identifier.doi10.1186/s11671-020-03348-3-
dc.identifier.scopusid2-s2.0-85086724472-
dc.identifier.bibliographicCitationNanoscale Research Letters, v.15, no.1-
dc.relation.isPartOfNanoscale Research Letters-
dc.citation.titleNanoscale Research Letters-
dc.citation.volume15-
dc.citation.number1-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusCarboxylic acids-
dc.subject.keywordPlusCosmetics-
dc.subject.keywordPlusLight scattering-
dc.subject.keywordPlusMicelles-
dc.subject.keywordPlusParticle size-
dc.subject.keywordPlusPetroleum reservoir evaluation-
dc.subject.keywordPlusPhase separation-
dc.subject.keywordPlusProfilometry-
dc.subject.keywordPlusSurface active agents-
dc.subject.keywordPlusActive ingredients-
dc.subject.keywordPlusElectrophoretic light scattering-
dc.subject.keywordPlusEncapsulation efficiency-
dc.subject.keywordPlusOptical profilometry-
dc.subject.keywordPlusParticle size measurement-
dc.subject.keywordPlusScanning electrons-
dc.subject.keywordPlusVisual evaluation-
dc.subject.keywordPlusVisual observations-
dc.subject.keywordPlusPolymers-
dc.subject.keywordAuthorDelivery-
dc.subject.keywordAuthorFormulation-
dc.subject.keywordAuthorPenetration-
dc.subject.keywordAuthorPolymers-
dc.subject.keywordAuthorStability-
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