Vol 5, No 1 (2018) > Articles >

Potency of (Poly) Acrylic/Carboxymethyl Starch-Chitosan Biohydrogel for Curcumin Oral Delivery Matrix

Eka Ruriani , Djumali Mangunwidjaja , Nur Richana , Titi Candra Sunarti



Objective: Biohydrogel has gathered great interest in the pharmaceuticals field. This natural polymers were biodegradable, non-toxic, biocompatible, and its specific ability to response environment change can be considered for the controlled released matric of bioactive compound. In this study, the biohydrogel was synthesized by graft-copolymerization of acrylic acid onto carboxymethyl starch (CMS) and chitosan. The objective of this research was to determine the effect of CMS-chitosan ratio on the biohydrogel characteristic. Methods: The acrylic acid was grafted on to the backbone (3:1) by using cerric ammonium nitrate as the inisiator. A standarded curcumin was applied to test the binding potency of matrix. Results: A higher CMS ratio in the polymer mixture (4:1) revealed the highest swelling power (16.9 w/w) and percentage of curcumin absorption (17.34%). All the samples have the pH-responsive swelling properties, with the swelling trend was observed in the order of distilled water > HCl solution > phospathe buffer solution. FTIR spectra and SEM micrographs has confirmed the graft-copolymerization of PAA/CMSCs biohydrogel by describing the appearance of peak around 1600 cm-1 and the morphology of granula structure, respectively. Conclusion: The graft-copolymerization of acrylic acid onto the two anionic natural polymer by cerric ammonium nitrate as the initiator has resulted a pH-dependent swelling biohydrogel, and it has the ability to deliver curcumin in stomach-targeted system.

Keywords: acrylic acid; biohydrogel; carboxymethyl starch; chitosan; curcumin

Published at: Vol 5, No 1 (2018) pages: 25-31

DOI: 10.7454/psr.v5i1.4067

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