Antidiabetic potential of Gymnemic acid mediated gold nanoparticles (Gym@AuNPs) on Streptozotocin-induced diabetic rats-An implication on in vivo approach

Int J Pharm. 2023 Apr 5:636:122843. doi: 10.1016/j.ijpharm.2023.122843. Epub 2023 Mar 14.

Abstract

Gymnemic acid is glycosides of triterpene with recognized and valuable applications for several chronic diseases, mainly diabetics. Despite this, it requires a delivery system in order to range its therapeutic target due to its limited solubility and bioavailability. Therefore, the Gymnemic acid mediated gold nanoparticles (Gym@AuNPs) was synthesised by eco-friendly approach. The synthesised Gym@AuNPs was confirmed by the colour change from light yellow to a deep ruby red. UV - visible spectroscopy results showed a strong narrow peak at 530 nm, confirming the controlled synthesis of monodispersed Gym@AuNPs. The reduction potential of standard Gymnemic acid (Gym) on synthesis of Gym@AuNPs was confirmed by using HPLC analysis. The spherical shaped Gym@AuNPs was observed by FESEM and HR-TEM studies with average size of 48.52 ± 5.53 nm. The XRD analysis exhibited a face-centered cubic (FCC) crystalline nature of Gym@AuNPs. The in vivo antidiabetic activity of Gym and Gym@AuNPs were validated using Streptozotocin induced diabetic Albino wistar rats. The Gym@AuNPs and Gym were regulates the glucose and lipid levels in experimental animals. The histopathology outcomes shown that the Gym@AuNPs were restoration of pancreatic islets cells in the animals. This investigation demonstrated that the Gym@AuNPs had the potential anti-diabetic properties.

Keywords: Antihyperglycemic Activity; Gym@AuNPs; HPLC analysis.

MeSH terms

  • Animals
  • Diabetes Mellitus, Experimental* / drug therapy
  • Diabetes Mellitus, Experimental* / pathology
  • Exercise
  • Gold / chemistry
  • Green Chemistry Technology
  • Hypoglycemic Agents / pharmacology
  • Hypoglycemic Agents / therapeutic use
  • Metal Nanoparticles* / chemistry
  • Plant Extracts / chemistry
  • Rats
  • Rats, Wistar
  • Streptozocin
  • Triterpenes* / pharmacology

Substances

  • Hypoglycemic Agents
  • Streptozocin
  • Gold
  • gymnemic acid
  • Triterpenes
  • Plant Extracts