WANG Xiu-li, LIU Xiao-han, ZHANG Yuan-yuan, et al. Preparing Regularity Study of Water Soluble Retard Tablets with Hydroxypropyl Methylcellulose Matrix[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(22): 72-75.
WANG Xiu-li, LIU Xiao-han, ZHANG Yuan-yuan, et al. Preparing Regularity Study of Water Soluble Retard Tablets with Hydroxypropyl Methylcellulose Matrix[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(22): 72-75.DOI:
Objective:To explore the influence of prescription factors on the release of water-soluble retard tablets with hydroxypropyl methylcellulose(HPMC) matrix. Method: In the single factor experiments
the cumulative release rate was detected by UV spectrophotometry to analyze the effects of various formulation factors to the release of four water-soluble retard tablets with HPMC matrix. Result: The amount of HPMC in the drug is the most important factor to influence the drug solubility; the second important influencing factor is viscosity of HPMC
but the influence of bulking agent type and tablet hardness were weak. The influence of the block agent amount
the lubricant type or tablet surface area and size can be neglected. Conclusion: This article summarizes the law of retard tablets and provides a reference for the research of water-soluble retard tablets with HPMC matrix.