volume 271, issue 1-2, P241-249 2004
DOI: 10.1016/j.ijpharm.2003.11.023
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Abstract: This study evaluated and optimised the ninhydrin assay as a tool for measuring the in vitro release and dissolution of chitosan from solid dosage forms. The precision and accuracy of the assay for the type of chitosan used in the study were examined by measuring the inter- and intra-sample variation and found to be within acceptable limits. The assay was applied practically to construct a pH/solubility profile for chitosan and subsequently to measure the release and dissolution of chitosan from dosage forms in…

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