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Open AccessArticle

The Preparation of Capsaicin-Chitosan Microspheres (CCMS) Enteric Coated Tablets

Key Research Center of Liver Regulation for Hyperlipemia SATCM/Class III Laboratory of Lipid Metabolism SATCM, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou 510006, China
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2013, 14(12), 24305-24319;
Received: 11 October 2013 / Revised: 10 December 2013 / Accepted: 12 December 2013 / Published: 13 December 2013
(This article belongs to the Special Issue Bioactive Nanoparticles 2014)
This study aimed to research the preparation and content determination of capsaicin-chitosan microspheres (CCMS) enteric coated tablets. The core tablets were prepared with the method of wet granulation. Nine formulae were designed to determine the optimal formula of the core tablet. Eudragit L100 was used to prepare the CCMS enteric-coated tablets. The effect of enteric coated formulation variables such as content of talc (10%, 25% and 40%), plasticisers (TEC and DBS), dosage of plasticiser (10%, 20% and 30%) and coating weight (2%, 3% and 5%) were evaluated for drug release characteristics. The in vitro release was studied using 0.1 N HCl and pH 6.8 phosphate buffer. Enteric coated tablets without ruptures or swelling behaviour over 2 h in 0.1 N HCl indicated that these tablets showed acid resistance. The accumulated release rate in phosphate buffer (pH 6.8) revealed that the prepared tablets were able to sustain drug release into the intestine and a first-order release was obtained for capsaicin. This research is the first report of the preparation and content determination of CCMS enteric coated tablets. The sustained release behavior of enteric coated formulations in pH 6.8 phosphate buffer demonstrated that it would be a potential drug delivery platform for sustained delivery of gastric irritant drugs. View Full-Text
Keywords: capsaicin; microspheres; enteric coated tablets; HPLC capsaicin; microspheres; enteric coated tablets; HPLC
MDPI and ACS Style

Chen, J.; Huang, G.-D.; Tan, S.-R.; Guo, J.; Su, Z.-Q. The Preparation of Capsaicin-Chitosan Microspheres (CCMS) Enteric Coated Tablets. Int. J. Mol. Sci. 2013, 14, 24305-24319.

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