A compound pharmaceutical composition composed of Chuanxiong extract and Qingfengteng extract
A composition and drug technology, applied in the direction of drug combination, medical preparations containing active ingredients, plant/algae/fungus/moss components, etc., can solve the problems of unclear pathogenesis of neurogenic pain and lack of treatment methods
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Embodiment 1
[0061] Preparation of Rhizoma Chuanxiong Extract
[0062] method 1
[0063] Chuanxiong sliced and soaked in ethanol for 8-48 hours, slice thickness 1-5mm. The powdery crude extract of Chuanxiong was obtained by ethanol extraction. The crude extract of Ligusticum chuanxiong is subjected to CO2 supercritical extraction to obtain the total alkaloids of Ligusticum chuanxiong in brown oily form. The extraction temperature is 55°C±5°C, the pressure is 5-8Mpa, and the time is 0.5-1 hour.
[0064] Method 2
[0065] Take the rhizome powder of Rhizoma Chuanxiong, add ethanol to reflux to extract, combine the extracts, concentrate under reduced pressure to 1 times the volume of the medicinal materials, refrigerate, filter, add ether to the filtrate, extract the ether phase with sulfuric acid, adjust the pH of the water layer to 9-10, and extract with chloroform , the chloroform layer recovered the solvent, added sulfuric acid to dissolve, filtered, added an equal amount of chlorofor...
Embodiment 2
[0074] Preparation of Capsule Compositions
[0075] Take Chuanxiong extract and Qingfengteng extract with a weight ratio of 2.5 to 1, pulverize, pass through a 100-mesh sieve, add appropriate amount of dextrin and starch, mix well, make soft material, granulate, dry, and pack into capsules.
Embodiment 3
[0077] Preparation of Granular Compositions
[0078] Take Chuanxiong extract and Qingfengteng extract with a weight ratio of 2 to 1, pulverize, pass through a 100-mesh sieve, add appropriate amount of dextrin and sucrose, mix well, make soft material, granulate, dry, and pack.
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