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https://hdl.handle.net/10316/106589
Title: | Biopolymeric Delivery Systems for Cosmetic Applications Using Chlorella vulgaris Algae and Tea Tree Essential Oil | Authors: | Morais, Flávia P. Simões, Rogério M. S. Curto, Joana M. R. |
Keywords: | biopolymers; Chlorella vulgaris; delivery systems; dermic and cosmetic applications; nanocellulose; porosity; tea tree oil | Issue Date: | 14-Nov-2020 | Publisher: | MDPI | Project: | UIDB/00195/2020 | Serial title, monograph or event: | Polymers | Volume: | 12 | Issue: | 11 | Abstract: | Cosmetic products in which all the skincare compounds are biomolecules, biocompatible and biodegradable constitute a request of an educated consumer corresponding to a premium cosmetic segment. For this purpose, a cellulose-based delivery system was developed to retain biomolecules for dermic applications. The 3D matrix was built with microfibrillated cellulose, nanofibrillated cellulose and carboxymethylcellulose combined with a crosslinking agent, the alginate, to obtain a 3D matrix capable of retaining and releasing bioactive components of microalgae Chlorella vulgaris and tea tree essential oil. The porosity and pore dimensions and uniformity of this support matrix were optimized using 3D computational tools. The structures of the biopolymers were characterized using SEM, EDX, FTIR-ATR and DSC techniques. The essential oil and the microalgae components were successfully incorporated in a 3D stable matrix. The results indicate that the polymeric matrix retains and releases the essential oil biomolecules in a controlled way, when compared with tea tree essential oil, which is vaporized from 25 °C to 38 °C, without this 3D polymeric matrix. The microalgae and cellulose-based delivery system proved to be an interesting option for dermic and cosmetic applications because the exposure time of the therapeutic biomolecules was improved, and this factor consists of a competitive benefit for dermic systems. | URI: | https://hdl.handle.net/10316/106589 | ISSN: | 2073-4360 | DOI: | 10.3390/polym12112689 | Rights: | openAccess |
Appears in Collections: | I&D CERES - Artigos em Revistas Internacionais |
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