Chinese herbal medicinal external application preparation and preparation method and application thereof
A technology of external preparations and Chinese herbal medicines, applied in the direction of medical formulas, medical preparations containing active ingredients, antifungal agents, etc., can solve problems such as irreversible, toxic and side effects, and achieve the effect of not easy to relapse, less toxic and side effects, and easy to apply
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Embodiment 1
[0033] The prescription of the external preparation is: 20 grams of tripterygium wilfordii, 20 grams of mimosa, 10 grams of pecan exocarp, 15 grams of clover, 10 grams of Zanthoxylum bungeanum, 15 grams of Daqingye, 5 grams of neem bark, and 5 grams of centipede.
[0034] The preparation method of the preparation of the present invention is as follows: the medicinal materials are respectively pulverized into coarse powder, and passed through a 20-mesh sieve; the coarse medicinal powder is mixed according to the above-mentioned formula ratio and extracted 3 times with 70% ethanol under reflux, each time for 40 min, if the dry weight of the medicinal materials is 1 kg, the amount of solvent used is 8 L; filter with suction, combine the extracts, in a water bath at a temperature of 70°C, and wait until the flow rate of the concentrated solution is 250 mL min -1 Under the conditions of vacuum thin film concentration device for flash concentration, to obtain a concentrated liquid co...
Embodiment 2
[0036] The external preparation prescription is: tripterygium wilfordii 22 grams, mimosa 22 grams, pecan exocarp 10 grams, clover 13 grams, pepper 8 grams, Folium 13 grams, neem bark 6 grams, centipede 6 grams.
[0037] The preparation method of the preparation of the present invention is as follows: the medicinal materials are respectively pulverized into coarse powder, and passed through a 20-mesh sieve. The coarse powder of the medicinal material was mixed according to the above formula ratio, and then extracted twice with 60% ethanol under reflux, each time for 50 min. If the dry weight of the medicinal material was 1 kg, the amount of solvent used was 10 L; 80°C, the flow rate of the liquid to be concentrated is 300 mL·min -1 Under the conditions of vacuum thin film concentrating device for flash concentration, to obtain a concentrated liquid containing 2 g of raw medicinal materials per mL of concentrated liquid, and then keep the concentrated liquid below 70°C for rotar...
Embodiment 3
[0039] 18 grams of tripterygium wilfordii, 18 grams of mimosa, 12 grams of pecan exocarp, 16 grams of clover, 12 grams of pepper, 16 grams of Daqingye, 4 grams of neem bark, and 4 grams of centipede.
[0040] The preparation method of the external preparation is as follows: respectively pulverizing medicinal materials into coarse powder and passing through a 20-mesh sieve. The coarse powder of medicinal materials was mixed according to the above formula ratio, and then refluxed with 80% ethanol for 3 times, each time for 30 min. If the dry weight of medicinal materials was 1 kg, the amount of solvent used was 9 L; 70°C, the flow rate of the liquid to be concentrated is 250 mL·min -1 Under the conditions of vacuum thin film concentration device for flash concentration, to obtain a concentrated liquid containing 3 g of raw medicinal materials per mL of concentrated liquid, and then keep the concentrated liquid below 70 ° C, continue to rotate the thin film concentration, vacuum ...
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