Preparation process of minium red freeze dried powder for injection
A preparation process and injection technology, applied in the field of preparation technology of Danhong lyophilized powder for injection, can solve the problems of poor quality control of finished products, low utilization rate of raw materials, improved product quality, etc., and achieve low impurity content and finished product quality. High, Difficulty-Reducing Effect
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Embodiment 1
[0019] Embodiment 1: including the following steps in turn, A, water extraction: take the above two medicinal materials, the salvia miltiorrhiza is crushed into a coarse powder and mixed with safflower, add 12 times of water and soak twice at 65 ° C, each time for one hour, and combine the filtrates, Filter, and the filtrate is concentrated to a clear paste with a relative density of 1.20 (65°C); B, alcohol precipitation: add ethanol to make the solution alcohol content reach 70%, stir well, refrigerate for 20 hours, filter, reclaim the ethanol from the filtrate, and concentrate to The clear ointment whose relative density is 1.10 (65°C); C, resin removal: add hydrochloric acid in the clear ointment to adjust the pH value to 2.5, refrigerate for 60 hours, and filter; D, adjust isotonicity: add water for injection to the filtrate to a specified amount, adjust When the pH value reaches 6.5, add sodium chloride for injection to adjust to isotonicity; E. Finished product processing...
Embodiment 2
[0020] Embodiment 2: Include the following steps successively, A, water extraction: take the above two kinds of medicinal materials, Danshen is crushed into coarse powder and mixed with safflower, add 8 times of water and soak twice at 65 ° C, each time for 1.2 hours, and combine the filtrates, Filter, the filtrate is concentrated to a clear paste with a relative density of 1.10 (65°C); B, alcohol precipitation: add ethanol to make the solution alcohol content reach 75%, stir well, refrigerate for 24 hours, filter, reclaim ethanol from the filtrate, and concentrate to Clear cream with a relative density of 1.05 (65°C); F, precipitation step: add 0.3% egg white solution to the clear cream, stir while adding, until no precipitation occurs, stand still for 1.2 hours, filter, heat and boil for 40 minutes , let cool; G, secondary alcohol precipitation: add ethanol to make the alcohol content of the solution reach 85%, stir well, refrigerate for 24 hours, filter, recover ethanol from...
Embodiment 3
[0021] Embodiment 3: including the following steps in turn, A, water extraction: take the above two medicinal materials, the salvia miltiorrhiza is crushed into coarse powder and mixed with safflower, add 10 times of water and soak twice at 60 ° C, each time for one hour, and combine the filtrates, Filter, the filtrate is concentrated to a clear paste with a relative density of 1.10 (65°C); B, alcohol precipitation: add ethanol to make the solution alcohol content reach 75%, stir well, refrigerate for 24 hours, filter, reclaim ethanol from the filtrate, and concentrate to Clear cream with a relative density of 1.15 (65°C); F, precipitation: add 0.1% egg white solution to the clear cream, stir while adding, until no precipitation occurs, stand still for 2 hours, filter, heat and boil for 30 minutes, Let cool; G, secondary alcohol precipitation: add ethanol to make the alcohol content of the solution reach 85%, stir well, refrigerate for 24 hours, filter, recover ethanol from the...
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