Research on Preparation Process of Guhuan Capsules / 中成药

ABSTRACT

D (Athe amount of water added. B the alcohol concentration in the fluidextract of herbs. C decoction time, D decoction times). The optimum decoction condition obtained was adding water (12 times as much as medicine), decocting twice 1.5 hours each time, merging the filtrate, concentrating the merged filtrate into extract with a relative density of 1.20 (measured at 85℃), then adding alcohol slowly, and making the concentration of alcohol in the fluidextract come to 80%. Conclusion: The optimized process is stable and feasible.