Qinlan solution preparation used for inhalation and preparation method thereof
A solution and preparation technology, applied in the field of pharmacy, can solve the problems of few products, no use of atomized inhalation preparations, and no suitable dosage form, etc., and achieve the effects of quick onset, easy industrial production, and low dosage
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Embodiment 1
[0039] The dosage of raw materials in this example: 50g of honeysuckle, 100g of forsythia, 50g of Radix isatidis, 20g of Scutellaria baicalensis.
[0040] (1) Preparation of Radix isatidis extract: take 50g of Radix Radix, add 10 times of water for the first time, decoct for 2 hours, add 8 times of water for the second time, decoct for 1 hour, filter, combine the filtrates, concentrate to 1ml containing 2g of crude drug, Add ethanol until the alcohol content is 80%, stir well, let stand for more than 12 hours, filter, recover ethanol until 1ml contains 4g of crude drug, add water until 1ml contains 0.5g of crude drug, let stand for more than 24 hours, filter, concentrate until 1ml contains 5g of crude drug , add ethanol until the alcohol content is 85%, stir well, let stand for more than 12 hours, filter, recover ethanol until 1ml contains 10g crude drug, add water until 1ml contains 1g crude drug, pass through the treated macroporous resin column, wash with water, Elute with 40...
Embodiment 2~5
[0045] Embodiments 2 to 5 are different from Example 1 except that the dosage relationship and some parameters of Radix Radix Radix, Scutellaria, Honeysuckle, and Forsythia are different from Example 1, and other parameters and operations are the same as Example 1; the specific dosage relationship and parameters of Examples 2 to 5 are shown in the table 1 shows:
[0046] The dosage relation of table 1 embodiment 2~5 honeysuckle, forsythia, Radix Radix, Radix Scutellariae
[0047]
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