| abstract |
The invention discloses a preparation method of a compound Houttuynia cordata mixture. The preparation of Houttuynia cordata, Scutellaria baicalensis, Banlangen root, Forsythia and honeysuckle as main medicinal materials comprises the following steps: decoction, clearing paste, alcohol precipitation, water precipitation, preparation. The prescription and preparation process of the compound Houttuynia cordata mixture provided by the invention can not only increase the effective components baicalin and forsythin through the control of temperature during alcohol precipitation, the adjustment of pH value during water precipitation, and the increase of poloxamer during preparation The content of Houttuynia cordata is better than that of the commercially available compound Houttuynia cordata mixture, and the stability of the finished product can be greatly improved, and no precipitation occurs even after long-term storage. |