| 摘要 |
The invention provides a traditional Chinese medicine combination for treating cold, which is prepared by the following raw material drugs by weight: 3-8 parts of cordate houttuynia, 3-8 parts of honeysuckle flowers, 1-5 parts of radix paeoniae rubrathe, 0.5-3 parts of mint, and 1-5 parts of tarragon. The preparation method comprises the following steps: adding cordate houttuynia, honeysuckle flowers, tarragon, and mint into water with an amount being 5-15 times more than the weight of the above, performing steam distillation for 2-10 hours, collecting volatile oil, dissolving with a little ethanol to obtain a volatile oil ethanol solution to keep in reserve; filtering the steam distillation extract to obtain a water extract I to keep in reserve; adding radix paeoniae rubrathe into the drug residues, adding water with an amount being 5-15 times more than the weight of the mixture, performing hot reflux extraction for 1-3 times, 0.5-3 hours each time, filtering the extract, combining with the water extract I, concentrating the mixed extract, adding 80%-100% ethanol into the concentrate to obtain an ethanol concentration of 65%-75%, refrigerating the solution, filtering the refrigerated solution to obtain a filtrate, recovering ethanol form the filtrate to obtain a concentrate; adding the volatile oil ethanol solution into the concentrate, adding conventional pharmaceutic adjuvants in preparations, preparing and forming the product by a conventional pharmaceutical method in pharmacy. |
