External sarcandra glabra ointment and preparation method thereof
A technology for external application of ointment and rheumatoid arthritis, which is applied in the directions of delivery of medical preparations containing active ingredients, anti-inflammatory agents, and ointments, and achieves significant economic and social benefits and simple preparation methods.
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Embodiment 1
[0013] (1) Take sargassum and add water to decoct twice (the first water mass volume ratio is 1:10, the second: 1:6), each time for 1 hour, combine the decoction, filter, and the filtrate is concentrated to 70°C. Density is 1.02, natural cooling;
[0014] (2) Precipitate with 1ml of ethanol per gram of concentrated solution, and place overnight at room temperature;
[0015] (3) Aspirate the supernatant to recover ethanol and concentrate to a clear paste with a relative density of 1.05 at 70°C;
[0016] (4) Add 0.5 g of oil-in-water (O / W) emulsion matrix containing 0.6% borneol to each gram of clear ointment to prepare an ointment for external use. Specifically: Heat stearic acid and stearyl alcohol to melt, add liquid paraffin, etc., and stir to form an oil phase; add glycerin, Tween-80, potassium sorbate, and the above clear ointment at the same temperature (80-90°C) while stirring In the water phase of the composition; add borneol at about 60°C, stir continuously, cool, fi...
Embodiment 2
[0018] (1) Take sarcophagus and add water to decoct twice (the mass volume ratio of sarcophagus to water is 1:10), each time for 2 hours, combine the decoction, filter, and concentrate the filtrate to 70°C with a relative density of 1.10, naturally cool down;
[0019] (2) Precipitate with 2ml of ethanol per gram of concentrated solution, and place at room temperature for 24 hours;
[0020] (3) Take the supernatant and filter it, recover the ethanol from the filtrate and concentrate it to a clear cream with a relative density of 1.15 at 70°C, add 2 times the amount of oil-in-water (O / W) emulsion matrix containing 3% borneol, and make it for external use ointment. Specifically: Mix the oil phase ingredients (glyceryl monostearate, stearic acid, liquid paraffin, white petrolatum) and the water phase ingredients (triethanolamine, ethylparaben and the above clear ointment) respectively, and heat to 75-80 ℃, add the oil phase to the water phase, keep stirring, add borneol at about...
Embodiment 3
[0022] (1) Take sargassum and add water to decoct 3 times (mass volume ratio of sarcophagus to water is 1:12), each time for 3 hours, combine the decoction, filter, and concentrate the filtrate to 70°C with a relative density of 1.22, naturally cool down;
[0023] (2) Add 5ml of ethanol to each gram of concentrated solution, stir, let stand for refrigerated (temperature 2-10°C) for 10 hours, separate the supernatant and filter; add 1ml of 80% ethanol to the precipitate, stir, let stand for refrigerated (temperature 2-10°C) 10°C) for 10 hours, and the supernatant was collected and filtered.
[0024] (3) Combine the filtrates, recover ethanol and concentrate to a clear paste with a relative density of 1.35 at 70°C, add 5 times the amount of water-in-oil (W / O) emulsion base containing 6% borneol, and prepare an external ointment. For example: put glyceryl monostearate, paraffin, white petrolatum, liquid paraffin, and Span-80 in a container, heat and melt on a water bath, keep th...
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