Papaverine hydrochloride release from ethyl cellulose-walled microcapsules.

Abstract

The mechanism of papaverine hydrochloride release from ethyl cellulose-walled microcapsules in both simulated gastric and intestinal fluid is discussed. The microcapsules were prepared by coacervation using different core: wall ratios. The rupture of the thin-walled microcapsules after release in simulated gastric fluid was shown and attributed to the… (More)

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