Study on Causes and Countermeasures of Insoluble Substance in Trace Metal Powder in ;TCM Granules / 中国中医药信息杂志

Based on insoluble phenomenon in trace metal powder in TCM granules produced by small and medium-sized pharmaceutical companies, this article discussed the causes and countermeasure from the aspects of formulation composition, preparation technology, and TCM pretreatment, with a purpose to provide the basis for strengthening the quality standard of TCM granules.