Freeze-dried Danhong powder injection for injection and its preparing method
A technology for freeze-dried powder injection and injection, which is applied in the field of freeze-dried powder injection for Danhong injection and its preparation, which can solve the problems of inconvenient transportation, low active ingredient content, and poor purification effect of injection liquid, and achieve Effects of whole blood viscosity improvement, low water content, and long storage time
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Embodiment 1
[0068] Embodiment one: specification 1000 bottles
[0069] (1) 1500 g of Salvia miltiorrhiza was crushed, extracted twice with alkaline water with a pH of 10 or more at a temperature of 80°C, the first time was 60 minutes, the second time was 120 minutes, and the combined extract was extracted as extract A;
[0070] (2) 500 g of safflower, reflux extraction with 40% ethanol for 3 times, each time for 90 min, recover ethanol until no alcohol smell, and obtain extract B;
[0071] (3) Add 5 times the amount of water to the safflower dregs extracted with ethanol, extract 3 times with acid water with a pH of 3 to 5, the temperature is 20°C, and each time is 120 minutes, and combine the extracts to obtain extract C;
[0072] (4) Combine the extracts A and C, centrifuge, take the supernatant, concentrate under reduced pressure, adjust the pH to 6.5-7, put on the macroporous resin, wash with deionized water until there is no Molish reaction, and continue to wash with 20% ethanol until...
Embodiment 2
[0074] Embodiment two: specification 100 bottles
[0075] (1) 150 g of Salvia miltiorrhiza was crushed, extracted three times with alkaline water with a pH of 10 or higher, at a temperature of 80° C., for 60 minutes each time, and combined the extracts into extract A;
[0076] (2) 50 g of safflower, extracted twice with 80% ethanol under reflux, each time for 60 minutes, recovered the ethanol until there was no alcohol smell, and obtained the extract B;
[0077] (3) Add 50 times the amount of water to the safflower dregs extracted with ethanol, extract twice with acid water with a pH of 3 to 5, and extract twice at a temperature of 80°C for 30 minutes each time, and combine the extracts to obtain extract C;
[0078] (4) Combine the extracts A and C, centrifuge, take the supernatant, concentrate under reduced pressure, adjust the pH to 6.5-7, put on the macroporous resin, wash with deionized water until there is no Molish reaction, and continue to wash with 90% ethanol until it...
Embodiment 3
[0080] Embodiment three: 500 bottles of specifications
[0081] (1) 750 g of Salvia miltiorrhiza was crushed, extracted twice with alkaline water with a pH of 10 or higher, at a temperature of 100°C, for 60 minutes each time, and the combined extracts were extracted as extract A;
[0082] (2) 250 g of safflower, extracted twice with 60% ethanol under reflux, each time for 90 minutes, recovered the ethanol until there was no alcohol smell, and obtained the extract B;
[0083] (3) Add 10 times the amount of water to the safflower dregs extracted with ethanol, extract 3 times with acid water with a pH of 3 to 5, at a temperature of 40°C, for 90 minutes each time, and combine the extracts to obtain extract C;
[0084] (4) Combine the extracts A and C, centrifuge, take the supernatant, concentrate under reduced pressure, adjust the pH to 6.5-7, put on the macroporous resin, wash with deionized water until there is no Molish reaction, and continue to wash with 40% ethanol until it i...
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