Rutin-Containing Cyclodextrin Nanosystems for Dietary Supplementation in Diabetics

Strategic Insights -

Research conducted by the University of Ferrara in Italy has investigated the potential of rutin-containing cyclodextrin nanosystems as a dietary supplement for diabetics. The study, presented in the Journal of Drug Delivery Science and Technology, aimed to address the limitations of rutin's physico-chemical instability and poor solubility in aqueous environments. The researchers used a vesicular cyclodextrin system to improve the stability and release profile of rutin, which showed promise in in vitro experiments on HepG2 cells.

Key Takeaways:

  • The study focused on rutin, a flavonoid with multiple health benefits, but with limitations in its physico-chemical properties and solubility.
  • The researchers developed rutin-containing cyclodextrin nanosystems using a "thin film hydration" method, which showed improved encapsulation efficiency and stability compared to cyclodextrin complexes.
  • The nanosystems remained stable for 30 days in a cool environment, with no phase separation phenomena observed.
  • In vitro experiments on HepG2 cells demonstrated that the rutin-containing nanosystems did not exhibit cytotoxic effects and promoted a significant increase in glucose uptake levels.
  • The study suggests that the formulation strategy based on the vesicular cyclodextrin system improves the biological effect of rutin on cells.

Statistics:

  • The study included 6 participants, all from the University of Ferrara.
  • The research was supported by the University of Ferrara FIRD2023 and FAR2023, as well as the Ministero dell'Universita e della Ricerca Piano Operativo Nazionale 2014-2020 Azione IV.6-Contratti di ricerca su tematiche Green.
  • The average diameter of the R-CL nanosystems increased over time, but remained stable without phase separation phenomena for 30 days.
  • In vitro experiments on HepG2 cells showed a strong and significant increase in glucose uptake levels promoted by R-CL with respect to untreated cells and other formulations.

Sources:

  • NewsRx. Studies from University of Ferrara Describe New Findings in Cancer Gene Therapy (Rutin-containing Cyclodextrin Nanosystems: a Possible Strategy for Dietary Supplementation In Diabetics). Cancer Weekly. August 5, 2025; p 54.
  • University of Ferrara. Journal of Drug Delivery Science and Technology. 2025; 110.