A method for the determination of organic solvent residues in traditional Chinese medicine freeze-dried injections
A technology for freeze-dried injection and determination method, which is applied in the field of determination of organic solvent residues in freeze-dried injections of traditional Chinese medicine, can solve problems such as undisclosed content determination methods of freeze-dried injections, and achieve the effect of ensuring safe, effective and reliable quality control.
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Embodiment 1
[0066] Raw material weight ratio:
[0067] Total ginseng saponins extract 50g Epimedium total flavonoids extract 40g
[0068] Preparation:
[0069] 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;
[0070] 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
[0084] Raw material weight ratio:
[0085] Total Ginseng Saponin Extract 35g Epimedium Total Flavonoid Extract 55g
[0086] Preparation:
[0087] 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;
[0088] 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;
[0089]c. Autoclave at 105°C f...
Embodiment 3
[0102] Raw material weight ratio:
[0103] Total Ginseng Saponin Extract 65g Epimedium Total Flavonoid Extract 25g
[0104] Preparation:
[0105] 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;
[0106] 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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