2012
DOI: 10.9721/kjfst.2012.44.3.274
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Dissolution Profile Analysis of Hydroxypropyl Methylcellulose-based Vitamin C Tablets

Abstract: The objective of this study was to develop oral matrix tablets for the sustained release of vitamin C. In this study hydroxypropyl methylcellulose (HPMC) has been utilized as an excipient, as it is one of the most widely used polymers, for use during long periods of time in formations. The vitamin C tablet formulation depends on the molecular weight and concentration of sustained-delivery in HPMC. Anti-oxidants have been added as a dissolution medium in order to prevent vitamin C degradation in water. The diss… Show more

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Cited by 3 publications
(1 citation statement)
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“…When the n value ranges from 0.45 to 0.89, it represents non-Fickian release (anomalous release), indicating that both the gel diffusion of the active ingredient and gel erosion occur appropriately during the release. When the value is greater than 0.89, it signifies super case II transport, indicating that the erosion of the gel dominates in the release mechanism [49]. Therefore, the release of vitamin C from HA-based ODFs was found to exhibit slightly different release mechanisms depending on the thickness.…”
Section: Applied Model Formula Analysismentioning
confidence: 96%
“…When the n value ranges from 0.45 to 0.89, it represents non-Fickian release (anomalous release), indicating that both the gel diffusion of the active ingredient and gel erosion occur appropriately during the release. When the value is greater than 0.89, it signifies super case II transport, indicating that the erosion of the gel dominates in the release mechanism [49]. Therefore, the release of vitamin C from HA-based ODFs was found to exhibit slightly different release mechanisms depending on the thickness.…”
Section: Applied Model Formula Analysismentioning
confidence: 96%