Eye drop of double rhizoma coptidis
A technology of Shuanghuanglian and eye drops, applied in the field of Shuanghuanglian eye drops, can solve the problems of Shuanghuanglian moisture absorption, caking and deterioration, unsatisfactory treatment effect, etc., so as to reduce the economic burden, increase the curative effect, and ensure the safety of medication. The effect of stability
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[0009] Shuanghuanglian Eye Drops [Prescription] Forsythia 100g
[0010] Honeysuckle 50g
[0011] Scutellaria baicalensis 50g
[0012] Make 200 eye drops solution Sodium Chloride 9.0g
[0013] Ethylparaben 0.5g
[0014] Make 1000ml [Preparation method] Take Scutellaria baicalensis, add water to decoct twice (8, 6 times the amount) for 1 hour each time, combine the filtrate, and adjust the pH value of the filtrate to 1.0-2.0 with 2mol / L hydrochloric acid solution. Incubate at 80°C for 30 minutes, let stand for 24 hours, filter, add 8 times the amount of water to the precipitate, stir, adjust the pH value to 6.0-7.0 with 40% sodium hydroxide solution, add the same amount of ethanol, stir to dissolve, filter, Adjust the pH of the filtrate to 2.0 with 2mol / L hydrochloric acid solution, keep it warm at 80°C for 30 minutes, let it stand for 12 hours, filter, wash the precipitate with ethanol until the pH value reaches 4.0, add 10 times the amount of w...
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