Inhalation rhododendron mariae solution preparation and preparation method thereof
A rhododendron violet and solution technology, which is applied in the field of pharmacy, can solve problems such as the frequency of use and the influence of dry powder delivery technology, the preparation method of unrecorded formula rules, and the increase in production cost of the device, so as to avoid the first-pass effect and avoid gastrointestinal The effect of road degradation and low production cost
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Embodiment 1
[0033] Rhododendron 300g
[0035] Add water for injection to 100mL
[0036] (1) Take Rhododendron violet, add ten times the amount of water to decoct twice, each time for 1 hour, combine the decoction, filter, and concentrate the filtrate under reduced pressure to obtain a concentrate, whose relative density is equivalent to 1ml containing 2-5g Rhododendron violet medicinal material (60°C);
[0037] (2) Add ethanol to the concentrate to make the alcohol content reach 70%, stir well, and refrigerate for 12 hours; filter, concentrate until no alcohol smell, add ethanol to make the alcohol content reach 80%, stir well, and refrigerate for 12 hours; filter , recover ethanol until there is no alcohol smell, add water to half the amount, boil for 15 minutes, put it at room temperature, and refrigerate for 48 hours; filter, and the filtrate passes through a macroporous resin column, which is equivalent to purifying the flavonoids extract of Rhododendron ...
Embodiment 2
[0040] In embodiment 2-4, except adding the adjuvant shown in table 1 before step (3) constant volume, other operation and parameter embodiment 1 are identical;
[0041] The auxiliary materials used in table 1 embodiment 2-4
[0042] serial number Accessories Example 2 0.03g sodium edetate Example 3 0.5ml 0.1M citric acid / sodium citrate Example 4 0.08g ascorbic acid
Embodiment 5
[0044] Rhododendron 350g
[0046] Add water for injection to 100mL
[0047] (1) Take Rhododendron azalea, add ten times the amount of water to decoct twice, each time for 1 hour, combine the decoction, filter, and concentrate the filtrate under reduced pressure to obtain a concentrate whose relative density is equivalent to 1ml containing 2-5g medicinal materials (60 ℃);
[0048] (2) Add ethanol to the concentrate to make the alcohol content reach 70%, stir well, and refrigerate for 12 hours; filter, concentrate until no alcohol smell, add ethanol to make the alcohol content reach 85%, stir well, and refrigerate for 12 hours; filter , recover ethanol until there is no alcohol smell, add water to half the amount, boil for 15 minutes, put it at room temperature, and refrigerate for 48 hours; filter, and the filtrate passes through a macroporous resin column, which is equivalent to purifying the flavonoids extract of Rhododendron viola, and the ads...
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