Preparation method of traditional Chinese medicine preparation namely Liuwei Dihuang drop pills
A technology of Liuwei Dihuang and dripping pills, applied in the directions of pharmaceutical formulation, pill delivery, drug combination, etc., can solve the problem of unstable content and achieve the effect of stable content
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Embodiment 1
[0022]
[0023] Preparation method:
[0024] (1) Preparation of Moutan Cortex volatile oil: take Moutan Cortex, add 15 times the amount of water to distill for 2 hours to obtain volatile oil, and collect the distilled aqueous solution in another device.
[0025] (2) Preparation of dry cream powder: take wine cornus, add 80% ethanol to reflux twice, each time for 2 hours, filter, and the filtrate is for later use; take Rehmannia glutinosa and Chinese yam, add water to decoct twice, add 10 times each time Measure water, 2 hours for the first time, 1 hour for the second time, filter the decoction, add the distilled aqueous solution of Moutan cortex to the filtrate, concentrate to a relative density of 1.15-1.20 (heat measurement at 50°C), add ethanol to make the alcohol content up to 70%, let it stand for 48 hours, take the supernatant and the reflux liquid of cornus cornus, combine and concentrate until there is no alcohol, and set aside; take Poria cocos and Alisma, add 8 ti...
Embodiment 2
[0028]
[0029] Preparation method:
[0030] (1) Preparation of Moutan Cortex volatile oil: take Moutan Cortex, add 15 times the amount of water to distill for 2 hours to obtain volatile oil, and collect the distilled aqueous solution in another device.
[0031] (2) Preparation of dry cream powder: take wine cornus, add 85% ethanol to reflux twice, each time for 2 hours, filter, and filtrate for later use; take Rehmannia glutinosa and yam, add water to decoct twice, add 10 times each time Measure water, 2 hours for the first time, 1 hour for the second time, filter the decoction, add the distilled aqueous solution of Moutan cortex to the filtrate, concentrate to a relative density of 1.15-1.20 (heat measurement at 50°C), add ethanol to make the alcohol content up to 70%, let it stand for 48 hours, take the supernatant and the reflux liquid of cornus cornus, combine and concentrate until there is no alcohol smell, and set aside; take Poria cocos and Alisma, add 8 times the a...
Embodiment 3
[0034]
[0035] Preparation method:
[0036] (1) Preparation of Moutan Cortex volatile oil: take Moutan Cortex, add 15 times the amount of water to distill for 2 hours to obtain volatile oil, and collect the distilled aqueous solution in another device.
[0037] (2) Preparation of dry paste powder: take wine cornus, add 90% ethanol to reflux twice, each time for 2 hours, filter, and the filtrate is for later use; take Rehmannia glutinosa and Chinese yam, add water to decoct twice, add 10 times each time Measure water, 2 hours for the first time, 1 hour for the second time, filter the decoction, add the distilled aqueous solution of Moutan cortex to the filtrate, concentrate to a relative density of 1.15-1.20 (heat measurement at 50°C), add ethanol to make the alcohol content up to 70%, let it stand for 48 hours, take the supernatant and the reflux liquid of cornus cornus, combine and concentrate until there is no alcohol smell, and set aside; take Poria cocos and Alisma, ad...
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