Preformulation Studies of Bergenin: A Primary Step in Future Designing of Novel Drug Delivery System

Preformulation studies are an essential stage in drug development, focused on elucidating the physicochemical and pharmacokinetic characteristics of a drug candidate to inform formulation design. Bergenin, a naturally occurring Cglucoside derivative of gallic acid, demonstrates a diverse array of pharmacological properties, encompassing antiinflammatory, hepatoprotective, antiviral, and antidiabetic effects. Nonetheless, the effective incorporation of bergenin into an appropriate drug delivery system requires an extensive preformulation analysis. This research work was done with an objective to investigate the preformulation assessment of bergenin to evaluate its solubility in different solvents, compatibility, and crystallinity. The structural elucidation was done using FTIR spectroscopy and the X-ray diffraction (XRD) analysis validated the crystalline characteristics of bergenin, indicating a possible requirement for amorphization or particle size reduction methods to improve dissolving rates. Compatibility studies of drugs and excipients utilizing Fourier-transform infrared spectroscopy (FTIR) determined appropriate excipients for stable formulation. The results underscore significant problems, including inadequate solubility and crystallinity, that necessitate resolution via sophisticated formulation techniques such as solid dispersions or nanoencapsulation