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https://hdl.handle.net/10316/103376
Título: | Bioactive Bacterial Nanocellulose Membranes Enriched with Eucalyptus globulus Labill. Leaves Aqueous Extract for Anti-Aging Skin Care Applications | Autor: | Almeida, Tânia Moreira, Patrícia Sousa, Fábio Pereira, Cláudia Silvestre, Armando J. D. Vilela, Carla Freire, Carmen S. R. |
Palavras-chave: | bacterial nanocellulose; Eucalyptus globulus Labill. leaves; aqueous extract; antioxidant activity; sheet facial masks; anti-aging; skin care applications | Data: | 7-Mar-2022 | Projeto: | FCT - CEECIND/00263/2018 FCT - 2021.01571.CEECIND FCT - CEECIND/00464/2017 UIDB/50011/2020 UIDP/50011/2020 LA/P/0006/2020 |
Título da revista, periódico, livro ou evento: | Materials | Volume: | 15 | Número: | 5 | Resumo: | Bacterial nanocellulose (BNC) membranes, with remarkable physical and mechanical properties, emerged as a versatile biopolymeric carrier of bioactive compounds for skin care applications. In this study, BNC membranes were loaded with glycerol (as plasticizer and humectant agent) and different doses (1-3 μg cm-2) of an aqueous extract obtained from the hydro-distillation of Eucalyptus globulus Labill. leaves (HDE), for application as sheet facial masks. All membranes are resistant and highly malleable at dry and wet states, with similar or even better mechanical properties than those of a commercial BNC mask. Moreover, the HDE was found to confer a dose-dependent antioxidant activity to pure BNC. Additionally, upon 3 months of storage at 22-25 °C and 52% relative humidity (RH) or at 40 °C and 75% RH, it was confirmed that the antioxidant activity and the macroscopic aspect of the membrane with 2 μg cm-2 of HDE were maintained. Membranes were also shown to be non-cytotoxic towards HaCaT and NIH/3T3 cells, and the membrane with 2 μg cm-2 of HDE caused a significant reduction in the senescence-associated β-galactosidase activity in NIH/3T3 cells. These findings suggest the suitability and potential of the obtained membranes as bioactive facial masks for anti-aging applications. | URI: | https://hdl.handle.net/10316/103376 | ISSN: | 1996-1944 | DOI: | 10.3390/ma15051982 | Direitos: | openAccess |
Aparece nas coleções: | I&D CIBB - Artigos em Revistas Internacionais I&D CNC - Artigos em Revistas Internacionais FFUC- Artigos em Revistas Internacionais FMUC Medicina - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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Bioactive-Bacterial-Nanocellulose-Membranes-Enriched-with-Eucalyptus-globulus-Labill-Leaves-Aqueous-Extract-for-AntiAging-Skin-Care-ApplicationsMaterials.pdf | 4.05 MB | Adobe PDF | Ver/Abrir |
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