Medical composite and preparation method, test method and application thereof
An inspection method and a medicinal technology are applied in the preparation of medicinal preparations and in the field of medicinal preparations for treating eye diseases, and can solve the problems of low proportion of phosphate buffer, unsuitable for determination of compound preparations, and high proportion of mobile phase methanol, Achieve unique prescription, improve ocular vascular congestion, and stable quality.
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Embodiment 1
[0024] Embodiment 1: Preparation and inspection of eye drops 1 of the composition of the present invention
[0025] Preparation: take the following raw materials by weight: 500g of dandelion, 500g of cassia, 3g of benzalkonium chloride, 20g of borax, 80g of boric acid, 25g of sodium chloride, crush the decoction pieces of cassia seeds into coarse powder, combine with the decoction pieces of dandelion, and extract with 75% ethanol under reflux 3 times, the first time 1.5 hours, the amount of solvent is 8 times the amount of medicinal materials, the second time 1 hour, the amount of solvent is 6 times the amount of medicinal materials, the third time 0.5 hours, the amount of solvent is 4 times the amount of medicinal materials. Combine the extracts and filter, concentrate and recover ethanol, add 8 times the amount of water for injection to dissolve, refrigerate and stand for 48 hours, and then filter. After adding an appropriate amount of benzalkonium chloride and sodium chlori...
Embodiment 2
[0033] Embodiment 2: Preparation and inspection of eye drops 2 of the composition of the present invention
[0034] Take the following raw materials by weight: dandelion 600g, cassia seed 300g, benzalkonium chloride 1.5g, borax 81g, boric acid 69g, sodium chloride 30g, cassia seed decoction slices into coarse powder, merge with dandelion decoction slices, use 95% ethanol, reflux extraction 2 Time, the first 2 hours, the amount of solvent is 10 times the amount of medicinal materials, the second 1 hour, the amount of solvent is 8 times the amount of medicinal materials. Combine the extracts and filter, concentrate and recover ethanol, add 8 times the amount of water for injection to dissolve, refrigerate and stand for 24 hours, and then filter. After adding an appropriate amount of benzalkonium chloride and sodium chloride to dissolve, then add an appropriate amount of borax and boric acid to adjust the pH to 7-9, make up the volume to 10,000ml with water for injection, stir ev...
Embodiment 3
[0042] Embodiment 3: Preparation of eye drops 3 of the composition of the present invention
[0043] Take the following raw materials by weight: dandelion 667g, cassia seed 333g, benzalkonium chloride 2g, borax 69g, boric acid 81g, sodium chloride 20g, cassia seed decoction slices, grind into coarse powder, combine with dandelion decoction slices, and extract twice with 90% ethanol under reflux , the first 2 hours, the amount of solvent is 10 times the amount of medicinal materials, the second 1 hour, the amount of solvent is 8 times the amount of medicinal materials. Combine the extracts and filter, concentrate and recover ethanol, add 8 times the amount of water for injection to dissolve, refrigerate and stand for 24 hours, and then filter. After adding an appropriate amount of benzalkonium chloride and sodium chloride to dissolve, add an appropriate amount of borax and boric acid to adjust the pH to 7-8, make up the volume to 10,000ml with water for injection, stir well, re...
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