Pain-relieving plaster and preparation method thereof
A plaster and thick plaster technology, applied in ointment delivery, pharmaceutical formula, non-central analgesics, etc., can solve the problems of uneven product quality, poor absorption, strong odor, etc., and achieve controllable process parameters and quality standards, Reduce toxic and side effects, good absorption effect
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Embodiment 1
[0061] Weigh the raw materials according to the following weight ratio: 520g iron stick hammer, 300g unique flavor, 300g oxtropis, 300g chrysanthemum, 520g turmeric, and 80g camphor.
[0062] The preparation method includes the following steps:
[0063] 1) Extract the weight ratio of iron rod hammer and turmeric with 6 times the amount of 75% ethanol for 2 times, the first extraction for 2.5 hours, the second extraction for 1.5 hours, combine the extracts, recover the ethanol and set the temperature at 75 ℃, the vacuum degree is 0.08Mpa, it is concentrated into thick paste I with relative density of 1.30 (50~60℃);
[0064] 2) Add 8 times the amount of water to decocting the Duyiwei, Oxytropis, and Chrysanthemum in the weight ratio for 2 times, the first decocting for 2 hours, and the second decocting for 1 hour. Combine the decoctions. Let stand and filter, take the supernatant, and concentrate it into thick paste II with a relative density of 1.30 (50-60°C) under the conditions o...
Embodiment 2
[0067] Weigh the raw materials according to the following weight proportions: iron stick hammer 520, Duyiwei 300, Oxytropis 300, Weeping Chrysanthemum 300, Turmeric 520, Safflower 450, Camphor 80.
[0068] The preparation method includes the following steps:
[0069] 1) Extract the weight ratio of iron rod hammer and turmeric with 10 times the amount of 85% ethanol for 3 times, the first extraction for 2 hours, the second and third extractions for 1 hour, combine the extracts, recover the ethanol and Under the conditions of a temperature of 85°C and a vacuum of 0.1Mpa, it is concentrated into a thick paste I with a relative density of 1.40;
[0070] 2) Add 12 times the amount of water to decocting the Duyiwei, Oxytropis, Weeping Chrysanthemum and Safflower with the said weight ratio for 3 times, the first decocting for 1.5 hours, the second and third decocting for 1 hour , Combine the decoctions, filter them, take the supernatant, and concentrate it into a thick paste II with a re...
Embodiment 3
[0073] Weigh the raw materials according to the following weight ratios: iron stick hammer 520, Duyiwei 300, Oxytropis 300, Weeping Chrysanthemum 300, Turmeric 520, Safflower 450, Camphor 80, Borneol 80.
[0074] The preparation method includes the following steps:
[0075] 1) Extract the weight ratio of iron rod hammer and turmeric with 8 times the amount of 80% ethanol for 2 times, the first extraction is 2 hours, the second extraction is 1.5 hours, the extracts are combined to recover the ethanol, and the temperature is Concentrate to a thick paste I with a relative density of 1.30~1.40 (50~60℃) under the conditions of 80℃ and a vacuum degree of 0.08~0.1Mpa;
[0076] 2) Decoction with water for 2 times of Duyiwei, Oxytropis, Weeping Chrysanthemum, and Safflower with the weight ratio, 10 times the amount of water for the first time, and 8 times the amount of water for the second time. After 2 hours, combine the decoctions, filter them, and take the supernatant. Concentrate it to...
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