CHEMICAL MODIFICATION, CHARACTERIZATION AND EVALUATION OF MUCOADHESIVE POTENTIALITY OF ASSAM BORA RICE STARCH
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2017, Vol 9, Issue 9
Abstract
Objective: The objective of the present study was to chemical modification, characterization and evaluation of mucoadhesive potentiality of Assam bora rice starch as potential excipients in the sustained release drug delivery system. Methods: The starch was isolated from Assam bora rice and esterified using thioglycolic acid and characterized by Fourier transform infrared spectroscopy (FT-IR), Differential scanning calorimetry (DSC) and Nuclear magnetic resonance (NMR). The 10% w/v gel formulation based on modified bora rice starch loaded with irinotecan (0.6%) was prepared and evaluated for various rheological properties, ex-vivo mucoadhesion using goat intestine and in vitro drug release study in phosphate buffer pH 6.8.Results: The chemical modification was confirmed by FT-IR and NMR studies with the presence of the peak at 2626.74 cm-1 and a singlet at 2.51 respectively due to–SH group. Ex-vivo mucoadhesion studies showed 6.6 fold increases in mucoadhesion of the modified starch with compared to native starch (46.3±6.79g for native starch; 308.7±95.31g for modified starch). In vitro study showed 89.12±0.84 % of drug release after 6 h in phosphate buffer pH 6.8 and the release kinetics followed Non-Fickian diffusion.Conclusion: The modified Assam bora rice starch enhanced a mucoadhesive property of the native starch and thus, can be explored in future as a potential excipient for the sustained release mucoadhesive drug delivery system.
Authors and Affiliations
Abdul Baquee Ahmed, Iman Bhaduri
Keywords
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- EP ID EP575507
- DOI 10.22159/ijpps.2017v9i9.20108
- Views 87
- Downloads 0
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