Kozlowska Justyna, Prus-Walendziak Weronika, Stachowiak Natalia, Bajek Anna, Kazmierski Lukasz, Tylkowski Bartosz
Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland.
The Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Karlowicza 24, 85-092 Bydgoszcz, Poland.
Materials (Basel). 2020 Aug 8;13(16):3507. doi: 10.3390/ma13163507.
Because consumers are nowadays focused on their health and appearance, natural ingredients and their novel delivery systems are one of the most developing fields of pharmacy, medicine, and cosmetics. The main goal of this study was to design, prepare, and characterize composite materials obtained by incorporation of microspheres into the porous polymer materials consisting of collagen, gelatin, and hydroxyethyl cellulose. Microspheres, based on gellan gum and xanthan gum with encapsulated flower extract, were produced by two methods: extrusion and emulsification. The release profile of the extract from both types of microspheres was compared. Then, obtained microparticles were incorporated into polymeric materials with a porous structure. This modification had an influence on porosity, density, swelling properties, mechanical properties, and stability of materials. Besides, in vitro tests were performed using mouse fibroblasts. Cell viability was assessed with the MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay. The obtained materials, especially with microspheres prepared by emulsion method, can be potentially helpful when designing cosmetic forms because they were made from safely for skin ingredients used in this industry and the herbal extract was successfully encapsulated into microparticles.
由于当今消费者关注自身健康和外表,天然成分及其新型递送系统是制药、医学和化妆品领域中发展最为迅速的领域之一。本研究的主要目标是设计、制备并表征通过将微球掺入由胶原蛋白、明胶和羟乙基纤维素组成的多孔聚合物材料中而获得的复合材料。基于结冷胶和黄原胶并包封有花卉提取物的微球通过两种方法制备:挤出法和乳化法。比较了两种微球中提取物的释放曲线。然后,将所得微粒掺入具有多孔结构的聚合物材料中。这种改性对材料的孔隙率、密度、溶胀性能、机械性能和稳定性产生了影响。此外,使用小鼠成纤维细胞进行了体外试验。通过MTT(3-(4,5-二甲基噻唑-2-基)-2,5-二苯基四氮唑溴盐)法评估细胞活力。所获得的材料,特别是通过乳化法制备的微球制成的材料,在设计化妆品剂型时可能会有帮助,因为它们由该行业中用于皮肤的安全成分制成,并且草药提取物成功地包封在微粒中。