通便贴的制备及质量控制

目的：研制用于治疗习惯性便秘的通便贴，并建立质量控制方法。方法：将中药材用适当的方法进行提取，以聚乙烯醇为膜剂基质制成。用紫外分光光度法和薄层色谱法来控制质量。结果：制成的膜剂质地均匀，疗效确切。用紫外分光光度法测定大黄结合蒽醌含量重现性较好，薄层色谱法显示供试品与对照品在相同位置有斑点。结论：通便贴工艺设计较为合理，质量控制方法准确可靠。

The preparation and quality control of tongbian pellicle

OBJECTIVE:To prepare a preparation for the habitual constipation and establish its quality control method. METHOD:Using proper method to draw the medcinal heard, PVA as base to prepare pellicle.The product was controlled by UV spectrophotometry and TLC. RESULTS:The product is good at texture and curative effect.The method is precise to mensure the combined anthraquinone in Rhubarb by UV spectrophotometry .TLC showed that spots were at identical site. CONCLUSION:The technological design of tongbian pellicle is rational,the quality control method is accurate and reliable.