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36 Study on the taste-masking performance of mesoporous molecular sieves
  1. Liyan Wu1,
  2. Anqi Liu2,
  3. Yuanbao Jin1,
  4. Ruwen Yuan1,
  5. Bo Gao1,2
  1. 1Department of Chemistry and Pharmacy, Zhuhai College of Jilin University, Zhuhai, China
  2. 2College of Life Science, Jilin University, Changchun, China

Abstract

Objectives Patient medication compliance can be seriously affected by a bitter taste. There are various taste-masking agents, but they urgently need to be improved. Mesoporous molecular sieves are a type of 3-dimensional nanostructure that has a regular pore diameter (2–50 nm), has a large surface area, and is non-toxic. These structures are widely used in biomedicine but their application in the drug taste-masking field has not previously been reported. The objective of this investigation was to prepare three different mesoporous molecular sieves (MCM-41, MCM-48 and HMSS) and to determine their masking properties through volunteer tasting.

Methods MCM-41, MCM-48 and HMSS were synthesized using a hydrothermal method. The bitter-tasting drug cetirizine (CTH) was used as the model drug. CTH-sieve composites were prepared using the impregnation method and the composites were characterized by means of XRD, FTIR, nitrogen physical adsorption and TGA. Three commonly used taste-masking agents were used as contrast to mask the bitter flavor of CTH.

Results MCM-41, MCM48 and HMSS showed a large CTH loading capacity of 25.12%, 32.91% and 50.00%, respectively, and effectively reduced the bitter taste of CTH by covering the oral mucous membrane thus reducing irritation.

Conclusions The pore structure and large surface area of the sieves improved taste-masking efficiency compared with common taste-masking agents. Mesoporous molecular sieves have the potential to increase the efficacy of taste-masking agents.

Acknowledgments This research was financially supported by Jilin Provincial Development and Reform Commission Industrial Technology Research and Development Funds (Grant No. 2014Y091).

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