Capsules were obtained from shrimp water-soluble chitosan (WSC) and alginate with 2:1, 3:1, 4:1, 5:1, 6:1 (w/w) ratios using 0.08% (w/v) of sodium dodecyl sulfate (SDS). The performance of the resulted capsules such as weight uniformity, degradation, swelling, drug release time, and solubility was evaluated. All capsules showed good weight uniformity according to the Indonesian Pharmacopoeia Standard. The higher ratio of WSC: alginate (6:1) produced capsules with the best properties in water and in 0.1 N HCl. The results achieved suggest that the capsules could be used for drug delivery systems.
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