A rutin nanocrystal gel as an effective dermal delivery system for enhanced anti-photoaging application
- 22 February 2021
- journal article
- research article
- Published by Taylor & Francis Ltd in Drug Development and Industrial Pharmacy
- Vol. 47 (3), 429-439
- https://doi.org/10.1080/03639045.2021.1890113
Abstract
As a natural flavonoid compound, rutin could scavenge free radicals effectively to achieve remarkable antioxidant and anti-photoaging activity. Unfortunately, the extremely low water solubility of rutin often leads to the poor percutaneous permeability and unsatisfactory bioavailability, which has greatly restricted its clinical application. In this study, a novel freeze-dried rutin nanocrystal was developed to improve its saturation solubility, which was further redispersed in carbopol gel to formulate the targeted rutin nanocrystal gel (NC-gel) for enhanced transdermal delivery efficiency. Benefit from the advantages of NC-gel, the permeated amounts of rutin on mice in the NC-gel group was more than three times enhancement over that of the coarse drug gel group. Furthermore, the results of pharmacodynamic studies in vivo demonstrated that NC-gel could effectively prevent the skin photoaging and tissue damage induced by UV irradiation. Taken together, these results validated that NC-gel was an ideal carrier for the epidermal application of rutin to obtain excellent anti-photoaging effect, which further might provide a valuable platform for improving the transdermal bioavailability of insoluble drugs.Keywords
Funding Information
- National Natural Science Foundation of China (81803477, 81872817)
- National Key Research and Development Program of China (2017YFA0205402)
- Natural Science Foundation of Jiangsu Province (BK20180557)
- Postdoctoral Research Funding Program of Jiangsu Province (2020Z282)
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