Method for determining content of active compounds in Chinese medicinal freeze-dried injection
A technology of freeze-dried injection and determination method, applied in the field of pharmaceutical preparation analysis, can solve the problems of cumbersome, low content, time-consuming and the like, and achieve the effect of reliable quality control
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Embodiment 1
[0095] Raw material weight ratio:
[0096] Total ginseng saponins extract 50g Epimedium total flavonoids extract 40g
[0097] Preparation:
[0098] a. Dissolve 800 grams of hydroxypropyl-β-cyclodextrin with 4000ml of water to make a 20% solution, add 750ml (5.33%) of total flavonoids extract of Epimedium and heat to dissolve, slowly add hydroxypropyl-β-cyclodextrin in stages - In the cyclodextrin 800 solution, keep warm at 80°C±1°C, dynamically stir for inclusion, and the inclusion time is 3 hours. Add 100ml (50%) of the total ginseng saponins extract to water and heat to dissolve, add it to the inclusion solution, and continue the inclusion 1 hour;
[0099] b. Add water to adjust the total amount of the solution to 6000ml, adjust the pH to 7.5 with 10% sodium hydroxide solution, add 24 grams of activated carbon (that is, contain 0.4% activated carbon), boil for 10 minutes, filter with a clarified plate while it is hot, and filter out the activated carbon , and then filter ...
Embodiment 2
[0115] Raw material weight ratio:
[0116] Total Ginseng Saponin Extract 35g Epimedium Total Flavonoid Extract 55g
[0117] Preparation:
[0118] a. Dissolve 900 grams of hydroxypropyl-β-cyclodextrin in 3000ml of water to make a 30% solution, add 1800ml (3.11%) of the total flavonoids extract of Epimedium to dissolve, and slowly add hydroxypropyl-β- In the cyclodextrin solution, keep warm at 50±1°C, dynamically stir for inclusion, and the inclusion time is 8 hours. Add 105ml (33.3%) of the total ginseng saponins extract to water and heat to dissolve, add it to the inclusion solution, and continue inclusion for 2 hours;
[0119] b, add water to adjust the total amount of the solution to 6000ml, adjust the pH to 6.2 with 20% sodium hydroxide solution, add 6 grams of gac (containing 0.1% gac), boil for 10 minutes, filter while hot with a sand filter stick, filter gac, Then filter with 0.22μm microporous membrane, and dilute to 6000ml with water;
[0120] c. Autoclave at 105°C ...
Embodiment 3
[0135] Raw material weight ratio:
[0136] Total Ginseng Saponin Extract 65g Epimedium Total Flavonoid Extract 25g
[0137] Preparation:
[0138] a. Dissolve 650 grams of hydroxypropyl-β-cyclodextrin with 4000 g of water to make a 16.3% solution, add 250 ml (10%) of the total flavonoids extract of Epimedium and heat to dissolve, slowly add hydroxypropyl-β-cyclodextrin in stages - In the cyclodextrin solution, keep warm at 90°C ± 1°C, stir dynamically for inclusion, and the inclusion time is 3 hours. Add 130ml (50%) of the total ginseng saponin extract to water and heat to dissolve, add it to the inclusion solution, and continue inclusion for 1 Hour;
[0139] b. Add water to adjust the total amount of the solution to 6000ml, adjust the pH to 8.5 with 5% sodium hydroxide solution, add 30 grams of activated carbon (containing 0.5% activated carbon), boil for 6 minutes, suction filter while it is hot, filter out the activated carbon, and then use 0.22 Filter with μm microporous...
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